| Bayhydur® 304 | Covestro (formerly Bayer MaterialScience) 科思创 | Bayhydur® 304 is hydrophilically modified, aliphatic polyisocyanate based on hexamethylate diisocyanate (HDI). It is as the hardener/binder component for high-quality waterborne polymer dispersions and as an additive to improve the property level of water...view more Bayhydur® 304 is hydrophilically modified, aliphatic polyisocyanate based on hexamethylate diisocyanate (HDI). It is as the hardener/binder component for high-quality waterborne polymer dispersions and as an additive to improve the property level of waterborne coating and adhesive systems. This product has a NCO content of 18.2 ± 0.5, a viscosity at 23°C of 4,000 ± 1,500, a hazen color value of ≤ 60, and a monomeric HDI content of < 0.15. This product is used mainly as the crosslinking partner for waterborne polyol binders (Bayhydrol®) and as a crosslinker for largely pH-neutral waterborne polymer dispersions, including polyurethane (Dispercoll® U), polyvinyl acetate, polyacrylate and synthetic rubber dispersions. view less | |
| Bayhydur® 305 | Covestro (formerly Bayer MaterialScience) 科思创 | Bayhydur® 305 is a hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI) that is used as a hardener for aqueous two-component polyurethane systems. This product has a NCO content of 16.2 ± 0,4, a viscosity at 23°C of 6,500 ± 1,500...view more Bayhydur® 305 is a hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI) that is used as a hardener for aqueous two-component polyurethane systems. This product has a NCO content of 16.2 ± 0,4, a viscosity at 23°C of 6,500 ± 1,500, a hazen color value of ≤ 150, and a monomeric HDI content of < 0.15. Bayhydur® 305 is a crosslinker for aqueous coatings. It was developed specially for trade applications where the ease of mixing the hardener by shaking or manual stirring is a key requirement. Despite pre-thinning, the coating yields transparent glossy films. The mixing ratio of mill base to hardener is usually 10:1. view less | |
| Bayhydur® 3100 | Covestro (formerly Bayer MaterialScience) 科思创 | Bayhydur® 3100 is a hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate, which is used as the hardener component for high-quality aqueous two-pack polyurethane systems and as an additive to improve the property profile of aqueous coat...view more Bayhydur® 3100 is a hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate, which is used as the hardener component for high-quality aqueous two-pack polyurethane systems and as an additive to improve the property profile of aqueous coating and adhesive systems. This product has a viscosity at 23°C of 2,800 ± 800, a NCO content of 17.4 ± 0.5, a color value (Hazen) of ≤ 60, and a monomeric HDI of ≤ 0,15. Due to its hydrophilic character, Bayhydur® 3100 can be easily emulsified in the aqueous phase. It is used mainly as the crosslinking agent for aqueous polyol binders (Bayhydrol®). Bayhydur® 3100 can also be added to conventional OH-free dispersions to improve their property profiles. view less | |
| Bayhydur® 401-70 | Covestro (formerly Bayer MaterialScience) 科思创 | Bayhydur® 401-70 is a hydrophilically modified aliphatic polyisocyanate based on isophorone diisocyanate (IPDI), which is used as the co-reactant for aqueous resins and as the hardener for chemically resistant and weather-stable coating systems. This prod...view more Bayhydur® 401-70 is a hydrophilically modified aliphatic polyisocyanate based on isophorone diisocyanate (IPDI), which is used as the co-reactant for aqueous resins and as the hardener for chemically resistant and weather-stable coating systems. This product has a NCO content of 9.4 ± 0.5, a non-volatile content (0.2g / 60min / 120°C) of 70 ± 2, and a viscosity at 23°C,(D=81,8s-1) of 600 ± 200. Bayhydur® 401-70 is mainly used as the co-reactant for aqueous polyol binders from the Bayhydrol® range. Due to its hydrophilic character, Bayhydur® 401-70 can be easily emulsified in the aqueous phase. The properties (e.g. resistance to chemicals and solvents) of aqueous two-component polyurethane coatings can be improved by the addition of Bayhydur® 401-70. view less | |
| Bayhydur® BL XP 2706 | Covestro (formerly Bayer MaterialScience) 科思创 | Bayhydur® BL XP 2706 is a reactive, blocked aliphatic polyisocyanate used in combination with Bayhydrol® polyols for the formulation of water-reducible, lightfast one-component polyurethane baking coatings and as an additive in waterborne baking systems t...view more Bayhydur® BL XP 2706 is a reactive, blocked aliphatic polyisocyanate used in combination with Bayhydrol® polyols for the formulation of water-reducible, lightfast one-component polyurethane baking coatings and as an additive in waterborne baking systems to improve hardness, impact strength, chemical resistance and adhesion. view less | |
| Bayhydur® XP 2487/1 | Covestro (formerly Bayer MaterialScience) 科思创 | Bayhydur® XP 2487/1 is an hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), that can be used as a hardener for water borne two-component polyurethane systems. Bayhydur® XP 2487/1 is a crosslinking agent for waterborne systems...view more Bayhydur® XP 2487/1 is an hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), that can be used as a hardener for water borne two-component polyurethane systems. Bayhydur® XP 2487/1 is a crosslinking agent for waterborne systems from which reliable incorporation and high chemical resistance are required. The dispersibility of the product in water is influenced by organic cosolvents. view less | |
| Bayhydur® XP 2655 | Covestro (formerly Bayer MaterialScience) 科思创 | Bayhydur® XP 2655 is an hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI) used as the hardener for waterborne two-component polyurethane systems. Bayhydur® XP 2655 is a crosslinking agent for waterborne systems from which reli...view more Bayhydur® XP 2655 is an hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI) used as the hardener for waterborne two-component polyurethane systems. Bayhydur® XP 2655 is a crosslinking agent for waterborne systems from which reliable incorporation and high chemical resistances are required. Despite its relatively low hydrophilia, this hardener can be easily dispersed in the aqueous phase, even at low shear forces such as are typically found in trade applications. Coatings formulated with the product yield films with high gloss and very low haze. The increase in viscosity during mixing that is typical for hydrophilized hardeners, in particular with ionically hydrophilized polyol dispersions, can be controlled by prethinning with water or slight amounts of organic cosolvent. view less | |
| Bayhydur® XP 2700 | Covestro (formerly Bayer MaterialScience) 科思创 | Bayhydur® XP 2700 is an hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), and acts as a hardener for aqueous two-component polyurethane systems. Bayhydur® XP 2700 is a crosslinker for aqueous coatings. It was developed specia...view more Bayhydur® XP 2700 is an hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI), and acts as a hardener for aqueous two-component polyurethane systems. Bayhydur® XP 2700 is a crosslinker for aqueous coatings. It was developed specially for trade applications where the ease of mixing the hardener by manual stirring is a key requirement. view less | |
| Bayhydur® XP 2759 | Covestro (formerly Bayer MaterialScience) 科思创 | Bayhydur® XP 2759 is an hydrophillic aliphatic polyisocyanate based on isophorone diisocyanate (IPDI), that can be used as a hardener for waterborne two-component polyurethane systems. Bayhydur® XP 2759 is mainly used as co-reactant for aqueous binders. B...view more Bayhydur® XP 2759 is an hydrophillic aliphatic polyisocyanate based on isophorone diisocyanate (IPDI), that can be used as a hardener for waterborne two-component polyurethane systems. Bayhydur® XP 2759 is mainly used as co-reactant for aqueous binders. Because of its hydrophilic character, it can be easily emulsified in the aqueous phase. Bayhydur® XP 2759 yields coatings with high chemical and weather resistance. Bayhydur® XP 2759 can be combined with aliphatic HDI based Desmodur® or Bayhydur® grades in order to reduce drying times and increase hardness, weather resistance and open time as well as blister free film thickness. view less | |
| Desmodur® BL 1100/1 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® BL 1100/1 is a blocked aromatic polyisocyanate based on TDI and is solvent-free. It can be used in combination with cycloaliphatic diamines such as Laromin® C 260 (BASF) to formulate highly flexible, one-component stoving coatings. This product ...view more Desmodur® BL 1100/1 is a blocked aromatic polyisocyanate based on TDI and is solvent-free. It can be used in combination with cycloaliphatic diamines such as Laromin® C 260 (BASF) to formulate highly flexible, one-component stoving coatings. This product has a color value (hazen) of ≤ 150, a viscosity at 23°C of 43,000 ± 10,000 mPa·s, and a free NCO content of < 0.2% view less | |
| Desmodur® N 100 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 100 is a solvent-free, aliphatic polyisocyanate (HDI buret) resin recommended for use as the hardener component for lightfast polyurthane coating systems in two-component clear and pigmented interior and exterior finishes. This product has a ...view more Desmodur® N 100 is a solvent-free, aliphatic polyisocyanate (HDI buret) resin recommended for use as the hardener component for lightfast polyurthane coating systems in two-component clear and pigmented interior and exterior finishes. This product has a flash point of approx. 181°C, viscosity at 25°C of approx. 8,000 mPa·s, and an equivalent weight of approx. 191. Desmodur® N 100 is used primarily as the hardener component for lightfast two-pack polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 100 are as air- and force-drying coatings for automotive and industrial finishing, for wood, furniture and plastics and for corrosion protection. view less | |
| Desmodur® N 3200 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3200 is a solvent-free, aliphatic polyisocyanate resin suitable for the formulation of high-solids two-component coating materials for a variety of applications. This product has an equivalent weight of approx. 183, a flash point of approx. 17...view more Desmodur® N 3200 is a solvent-free, aliphatic polyisocyanate resin suitable for the formulation of high-solids two-component coating materials for a variety of applications. This product has an equivalent weight of approx. 183, a flash point of approx. 170°C, a color value (hazen) of ≤ 40, and a viscosity at 25°C of approx. 2,100 mPa·s. Desmodur® N 3200 is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3200 are as air- and force-drying coatings for automotive and industrial finishing, for wood, furniture and plastics and for corrosion protection. view less | |
| Desmodur® N 3300 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3300 is a solvent-free, aliphatic polyisocyanate used as the hardener component for lightfast two-pack polyurethane coatings. This product has an NCO content of 21.8 ± 0.3%, a viscosity at 25°C of approx. 2500 mPa·s, and a flash point of appro...view more Desmodur® N 3300 is a solvent-free, aliphatic polyisocyanate used as the hardener component for lightfast two-pack polyurethane coatings. This product has an NCO content of 21.8 ± 0.3%, a viscosity at 25°C of approx. 2500 mPa·s, and a flash point of approx. 158°C. Desmodur® N 3300 is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3300 are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. view less | |
| Desmodur® N 3368 BA/SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3368 BA/SN is an aliphatic polyisocyanate (HDI trimer) that is used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g/120min/100°C) of 68±1%, a density at 20°C of approx. 1.06g/...view more Desmodur® N 3368 BA/SN is an aliphatic polyisocyanate (HDI trimer) that is used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g/120min/100°C) of 68±1%, a density at 20°C of approx. 1.06g/ml, a flash point of approx. 37.5°C, and a viscosity at 25°C of approx. 40mPa·s. Desmodur® N 3368 BA/SN is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3368 BA/SN are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. view less | |
| Desmodur® N 3368 SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3368 SN is an aliphatic polyisocyanate, and is used as the hardener component for lightfast polyurethane coating systems. This product has a density at 20°C of approx. 1.06g/ml, an equivalent weight of approx. 284, a flash point of approx. 49°...view more Desmodur® N 3368 SN is an aliphatic polyisocyanate, and is used as the hardener component for lightfast polyurethane coating systems. This product has a density at 20°C of approx. 1.06g/ml, an equivalent weight of approx. 284, a flash point of approx. 49°C, and viscosity at 25°C of approx. 50 mPa·s. Desmodur® N 3368 SN is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3368 SN are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. view less | |
| Desmodur® N 3386 BA/SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3386 BA/SN is an aliphatic polyisocyanate (HDI trimer) that is used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g / 120min / 100°C) of 86 ± 1%, a viscosity at 23°C of 320 ± ...view more Desmodur® N 3386 BA/SN is an aliphatic polyisocyanate (HDI trimer) that is used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g / 120min / 100°C) of 86 ± 1%, a viscosity at 23°C of 320 ± 80 mPa·s, a viscosity at 25°C of approx. 290 mPa·s, and a density at 20°C of approx. 1.11g/ml. Desmodur® N 3386 BA/SN is used primarily as the hardener component for lightfast two-pack polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. The preferred co-reactants are polyacrylate or polyester polyols, and the main applications for systems based on Desmodur® N 3386 BA/SN are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. view less | |
| Desmodur® N 3390 BA | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3390 BA is an an aliphatic polyisocyanate (HDI trimer) that is used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g / 120min / 100°C) of 90 ± 1%, a viscosity at 25°C of approx...view more Desmodur® N 3390 BA is an an aliphatic polyisocyanate (HDI trimer) that is used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g / 120min / 100°C) of 90 ± 1%, a viscosity at 25°C of approx. 450 mPa·s, and a monomeric HDI of < 0.15%. Desmodur® N 3390 BA is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3390 BA are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. view less | |
| Desmodur® N 3390 BA/SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur N 3390 BA/SN is an aliphatic polyisocyanate (HDI trimer) used as the hardener component for lightfast polyurethane coatings systems. It has a non-volatile content (2.2g / 120min / 100°C) of 90 ± 1%, a viscosity at 25°C of approx. 500 mPa·s, and a...view more Desmodur N 3390 BA/SN is an aliphatic polyisocyanate (HDI trimer) used as the hardener component for lightfast polyurethane coatings systems. It has a non-volatile content (2.2g / 120min / 100°C) of 90 ± 1%, a viscosity at 25°C of approx. 500 mPa·s, and a monomeric HDI of ≤ 0.15%. Desmodur N 3390 BA/SN is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur N 3390 BA/SN are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. view less | |
| Desmodur® N 3600 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3600 is a solvent-free, aliphatic polyisocyanate (low-viscosity HDI trimer) that is ideally used as the hardener component for flexible, lightfast polyurethane coating systems. It has a viscosity at 25°C of approx. 1,100mPa·s, a density at 20°...view more Desmodur® N 3600 is a solvent-free, aliphatic polyisocyanate (low-viscosity HDI trimer) that is ideally used as the hardener component for flexible, lightfast polyurethane coating systems. It has a viscosity at 25°C of approx. 1,100mPa·s, a density at 20°C of approx. 1.16g/ml, and an NCO content of 23.0 ± 0.5%. The main applications for systems based on Desmodur® N 3600 are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. On account of its low viscosity, Desmodur® N 3600 is particularly suitable for the formulation of high-solids coatings and can also be used as the hardener for aqueous two-component polyurethane coatings. view less | |
| Desmodur® N 3790 BA | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3790 BA is an aliphatic polyisocyanate (high functional HDI trimer) that acts as the hardener component for lightfast, rapid-drying polyurethane coating systems. It has a non-volatile content (2.2g / 120min / 100°C) of 90 ± 1%, a viscosity at ...view more Desmodur® N 3790 BA is an aliphatic polyisocyanate (high functional HDI trimer) that acts as the hardener component for lightfast, rapid-drying polyurethane coating systems. It has a non-volatile content (2.2g / 120min / 100°C) of 90 ± 1%, a viscosity at 23°C of 1,800 ± 500 mPa·s, and an equivalent weight of approx. 236. Desmodur® N 3790 BA is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 3790 BA are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. view less | |
| Desmodur® N 3800 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3800 is a solvent-free aliphatic polyisocyanate (flexibilizing HDI trimer) that is used as a hardener component for lightfast polyurethane coating systems. It has an NCO content of 11.0 ± 0.5%, a viscosity at 25°C of approx. 5,500 mPa·s, and a...view more Desmodur® N 3800 is a solvent-free aliphatic polyisocyanate (flexibilizing HDI trimer) that is used as a hardener component for lightfast polyurethane coating systems. It has an NCO content of 11.0 ± 0.5%, a viscosity at 25°C of approx. 5,500 mPa·s, and a monomeric HDI of ≤ 0.30%. The primary field of application for coating systems based on Desmodur® N 3800 are air and heat-drying automotive OEM, automotive refinishing and transportation coatings, as well as industrial coatings and coatings for plastics. view less | |
| Desmodur® N 3900 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 3900 is a low-viscosity, aliphatic polyisocyanate resin based on hexamethylene diisocyanate, and can be used as the hardener for weather-stable coating systems. It has an NCO content of 23.5 ± 0.5% by wt., a monomeric HDI < 0.3%, a density of ...view more Desmodur® N 3900 is a low-viscosity, aliphatic polyisocyanate resin based on hexamethylene diisocyanate, and can be used as the hardener for weather-stable coating systems. It has an NCO content of 23.5 ± 0.5% by wt., a monomeric HDI < 0.3%, a density of approx. 1.15g/cm^3, and a viscosity at 23°C of 730 ± 100 mPa·s. Desmodur® N 3900 is used to formulate high-solids systems for automotive refinishing, transportation coating and plastics coating. view less | |
| Desmodur® N 75 BA | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 75 BA is an aliphatic polyisocyanate (HDI biuret). It is recommended to be used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g/120 min/100°C) of 75 ± 1%, a viscosity at 25°C ...view more Desmodur® N 75 BA is an aliphatic polyisocyanate (HDI biuret). It is recommended to be used as the hardener component for lightfast polyurethane coating systems. This product has a non-volatile content (2.2g/120 min/100°C) of 75 ± 1%, a viscosity at 25°C of approx. 140 mPa·s, and a color value (hazen) of ≤ 40. Desmodur® N 75 BA is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. Preferred co-reactants for the product are polyacrylate or polyester polyols. The main applications for systems based on Desmodur® N 75 BA are as air- and force-drying coatings for automotive and industrial finishing, for wood, furniture and plastics and for corrosion protection. view less | |
| Desmodur® N 75 MPA | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 75 MPA is an aliphatic polyisocyanate (HDI biuret) that acts as the hardener component for lightfast polyurethane coating systems. This product has a flash point of approx. 54°C, a monomeric HDI of < 0.5%, a viscosity at 23°C of 250 ± 75 mPa·s...view more Desmodur® N 75 MPA is an aliphatic polyisocyanate (HDI biuret) that acts as the hardener component for lightfast polyurethane coating systems. This product has a flash point of approx. 54°C, a monomeric HDI of < 0.5%, a viscosity at 23°C of 250 ± 75 mPa·s, and an NCO content of 16.5 ± 0.3%. The main applications for systems based on Desmodur® N 75 are as air- and force-drying coatings for automotive and industrial finishing, for wood, furniture and plastics and for corrosion protection. view less | |
| Desmodur® N 75 MPA/X | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® N 75 MPA/X is an aliphatic polyisocyanate (HDI biuret) that acts as the hardener component for lightfast polyurethane coating systems. It has a density at 20°C of approx. 1.07g/ml, an NCO content of 16.5 ± 0.3%, a viscosity at 25°C of approx. 22...view more Desmodur® N 75 MPA/X is an aliphatic polyisocyanate (HDI biuret) that acts as the hardener component for lightfast polyurethane coating systems. It has a density at 20°C of approx. 1.07g/ml, an NCO content of 16.5 ± 0.3%, a viscosity at 25°C of approx. 225mPa·s, and an equivalent weight of approx. 255. Desmodur® N 75 MPA/X is used primarily as the hardener component for lightfast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. The preferred co-reactants this product are polyacrylate or polyester polyols. view less | |
| Desmodur® PF | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur PF is a modified diphenyl-methane-4,4'-diisocyanate (MDI) that is liquid at room temperature and is suitable for combination with Baycoll®, Desmophen® and Acclaim® in the formulation of adhesives. It is a solvent-free, colourless to yellowish liq...view more Desmodur PF is a modified diphenyl-methane-4,4'-diisocyanate (MDI) that is liquid at room temperature and is suitable for combination with Baycoll®, Desmophen® and Acclaim® in the formulation of adhesives. It is a solvent-free, colourless to yellowish liquid of medium viscosity at temperatures above 20°C that crystallises at lower temperatures. This product has an NCO content of 23.0 ± 0.5%, a viscosity at 25°C of 600 ± 100 mPa·s, a hydrolysable chlorine (Cl) amount of max. 50mg/kg, and a density at 25°C of approx. 1.21g/cm^3. Desmodur® PF can be combined with Desmophen®, Baycoll® or Acclaim® in the formulation of adhesives for bonding many materials, e.g. wood, metal and plastics. Desmodur® PF is particularly suitable for combining with Baycoll® in the formulation of reactive two-component adhesives and moisture-curing one-component adhesives. view less | |
| Desmodur® PL 340 BA/SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® PL 340 BA/SN is a blocked aliphatic polyisocyanate based on IPDI, and used in combination with polyol components for the formulation of lightfast one-component polyurethane stoving coatings. This product has a non-volatile content (0.2g/60 min./...view more Desmodur® PL 340 BA/SN is a blocked aliphatic polyisocyanate based on IPDI, and used in combination with polyol components for the formulation of lightfast one-component polyurethane stoving coatings. This product has a non-volatile content (0.2g/60 min./125°C) 60 ± 2%, a viscosity at 23°C 600 ± 50 mPa·s, an equivalent weight of approx. 575, and a blocked NCO content of approx. 7.3%. Desmodur® PL 340 BA/SN can be combined with suitable, preferably flexible, Desmophen® grades to formulate one-component polyurethane stoving coatings which are lightfast and resistant to weathering and chemicals and highly resistant to thermal yellowing. These coatings are used for original automotive topcoats. Compared with polyisocyanates blocked with butanone oxime, Desmodur® PL 340 allows a reduction in stoving temperature of approx. 10 °C, with no decrease in solvent and chemical resistance. view less | |
| Desmodur® PL 350 MPA/SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® PL 350 MPA/SN is a blocked aliphatic polyisocyanate based on HDI used in combination with polyol components for the formulation of lightfast one-component polyurethane stoving coatings. This product has a non-volatile content (0.2g/60 min./80°C)...view more Desmodur® PL 350 MPA/SN is a blocked aliphatic polyisocyanate based on HDI used in combination with polyol components for the formulation of lightfast one-component polyurethane stoving coatings. This product has a non-volatile content (0.2g/60 min./80°C) 75 ± 2%, a viscosity at 23°C 4,300 ± 1,500 mPa·s, and an equivalent weight of approx. 400. Combined with suitable Desmophen® products, Desmodur® PL 350 MPA/SN can be used in the formulation of weather-stable, lightfast, chemically resistant and highly heat-stable one-component polyurethane stoving coatings for use in automotive finishing. Compared with polyisocyanates blocked with butanone oxime, Desmodur® PL 350 MPA/SN allows a reduction in the stoving temperature of approx. 10°C, with no decrease in solvent and chemical resistance. view less | |
| Desmodur® VL | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® VL is an aromatic polyisocyanate based on diphenylmethane diisocyanate that is used in combination with Desmophen grades in solvent-free two-pack polyurethane coatings, fillers, sealing compounds and synthetic resin mortars. It is a brown, solve...view more Desmodur® VL is an aromatic polyisocyanate based on diphenylmethane diisocyanate that is used in combination with Desmophen grades in solvent-free two-pack polyurethane coatings, fillers, sealing compounds and synthetic resin mortars. It is a brown, solvent-free liquid with a low viscosity (25°C) of 90 ± 20 mPa·s. This product has an NCO of 31.5 ± 0.5%, a flash point of approx. 229°C, and an equivalent weight of approx. 133. Desmodur® VL is combined with, for example, Desmophen® 1145, 1150, 1155, 5028 GT and 1380 BT. Depending on the Desmophen® product used, the coatings yielded can be varied from hard to flexible. It is necessary to add water scavengers such as molecular sieve paste® 3 Å to the polyol component to prevent the undesired reaction of Desmodur® VL with water. Systems formulated with Desmodur® VL are suitable for coating concrete, asphalt, fibrous cement and plastics. view less | |
| Desmodur® VL 50 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® VL 50 is an aromatic polyisocyanate based on diphenylmethane diisocyanate used in combo with Desmophen grades for self-leveling, two-pack polyurethane coating and sealing compounds, as well as solvent-free, two-pack polyurethane primers and thin...view more Desmodur® VL 50 is an aromatic polyisocyanate based on diphenylmethane diisocyanate used in combo with Desmophen grades for self-leveling, two-pack polyurethane coating and sealing compounds, as well as solvent-free, two-pack polyurethane primers and thin-coat finishes. It is a brown, solvent-free liquid, with a low viscosity of 25°C of 22.5 ± 7.5 mPa·s. This product has an equivalent weight of 129, a flash point of > 200°C, and a density at 20°C of approx. 122g/ml. view less | |
| Desmodur® XP 2489 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® XP 2489 is used primarily as the hardener component for light-fast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. The main applications for s...view more Desmodur® XP 2489 is used primarily as the hardener component for light-fast two-component polyurethane coatings with high resistance to chemicals and weathering, very good gloss retention and outstanding mechanical properties. The main applications for systems based on Desmodur® XP 2489 are air- and force-drying coatings for automotive OEM, automotive refinishing, transportation, industrial finishing and plastics. This product has an NCO content of 21.0 ± 0.5%, a monomer content of < 0.5%, a viscosity at 23 °C of 22,500 ± 2,500 mPa·s, and a color value (hazen) of ≤ 100. view less | |
| Desmodur® XP 2565 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® XP 2565 is a low-viscosity, aliphatic polyisocyanate resin based on isophorone diisocyanate. It is used as the hardener component for weather-stable coating systems. In combination with HDI hardeners, the product is suitable for the formulation ...view more Desmodur® XP 2565 is a low-viscosity, aliphatic polyisocyanate resin based on isophorone diisocyanate. It is used as the hardener component for weather-stable coating systems. In combination with HDI hardeners, the product is suitable for the formulation of high-solids and waterborne two-component polyurethane systems for automotive refinishing, transportation and industrial coating applications. This product has a monomeric IPDI (supply form) of < 0.5%, a hazen color value of ≤ 60, and a flash point of approx. 38.5°C. view less | |
| Desmodur® XP 2580 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® XP 2580 is an aliphatic polyisocyanate based on hexamethylene diisocyanate. It is used as the hardener component for lightfast, weather-stable coating systems. As a particularly low-viscosity polyisocyanate, Desmodur® XP 2580 is particularly wel...view more Desmodur® XP 2580 is an aliphatic polyisocyanate based on hexamethylene diisocyanate. It is used as the hardener component for lightfast, weather-stable coating systems. As a particularly low-viscosity polyisocyanate, Desmodur® XP 2580 is particularly well suited for the formulation of high-solids coatings for general industrial coating, automotive refinishing, transportation and plastics coating applications. This product has an equivalent weight of approx. 215, a flash point of 193°C, and a density at 20°C of 1.106g/cm^3. view less | |
| Desmodur® XP 2675 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® XP 2675 is an aliphatic polyisocyanate (highly functional HDI trimer) that can be used as the hardener for lightfast, fast drying polyurethane coating systems with high chemical resistance and weather stability, very good gloss retention and out...view more Desmodur® XP 2675 is an aliphatic polyisocyanate (highly functional HDI trimer) that can be used as the hardener for lightfast, fast drying polyurethane coating systems with high chemical resistance and weather stability, very good gloss retention and outstanding mechanical properties. This product has an NCO content of 20.0 ± 1.0%, a an equivalent weight of approx. 210, and a flash point of approx. 247°C, view less | |
| Desmodur® Z 4470 BA | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® Z 4470 BA is an aliphatic polyisocyanate (IPDI trimer), with approx. 70% in n-butyl acetate, and is used as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings. This product has an ...view more Desmodur® Z 4470 BA is an aliphatic polyisocyanate (IPDI trimer), with approx. 70% in n-butyl acetate, and is used as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings. This product has an NCO content of 11.9 ± 0.4%, a non-volatile content (0.2g/1h/120°C) of 70 ± 2%, a viscosity at 23°C of 600 ± 200 mPa·s, a density at 20°C of approx. 1.06g/ml, and a monomeric IPDI of < 0.5%. The main applications for two-component coatings based on Desmodur® Z 4470 BA are in automotive OEM and automotive refinishing. As Desmodur® Z 4470 BA has very good physical drying properties, it is also used as an additive resin in alkyd spray coatings to accelerate drying. The main applications of such coatings are in automotive refinishing and industrial finishing. On account of its high hardness, Desmodur® Z 4470 BA is normally mixed with Desmodur® N products. Preferred co-reactants are flexibilised polyacrylate polyols such as Desmophen® A 565 and A 575 and polyester polyols such as Desmophen® 670. view less | |
| Desmodur® Z 4470 MPA/X | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® Z 4470 MPA/X is an aliphatic polyisocyanate (IPDI trimer), with approx. 70% in 1-methoxypropylacetate-2/xylene, 1:1. This product is used as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spr...view more Desmodur® Z 4470 MPA/X is an aliphatic polyisocyanate (IPDI trimer), with approx. 70% in 1-methoxypropylacetate-2/xylene, 1:1. This product is used as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings. It has a viscosity at 23°C of 1,500 ± 500 mPa·s, a density at 20°C of approx. 1.08g/ml, and a flash point of approx. 40°C. The main applications for two-component coatings based on Desmodur® Z 4470 MPA/X are in automotive OEM and automotive refinishing. As Desmodur® Z 4470 MPA/X has very good physical drying properties, it is also used as an additive resin in alkyd spray coatings to accelerate drying. The main applications of such coatings are in automotive refinishing and industrial finishing. view less | |
| Desmodur® Z 4470 SN | Covestro (formerly Bayer MaterialScience) 科思创 | Desmodur® Z 4470 SN is an aliphatic polyisocyanate (IPDI trimer), with approx. 70 % in solvent naphtha® 100. It is used as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings. This product ha...view more Desmodur® Z 4470 SN is an aliphatic polyisocyanate (IPDI trimer), with approx. 70 % in solvent naphtha® 100. It is used as the hardener component for lightfast polyurethane coating systems and as an additive resin for alkyd spray coatings. This product has a viscosity at 23°C of 2,000 ± 600 mPa·s, a viscosity at 25°C of approx. 1,700 mPa·s, and a density at 20°C approx. 1.05g/ml. On account of its high hardness, Desmodur® Z 4470 SN is normally mixed with Desmodur® N products. Preferred co-reactants are flexibilised polyacrylate polyols such as Desmophen® A 565 and A 575 and polyester polyols such as Desmophen® 670. As Desmodur® Z 4470 SN has very good physical drying properties, it is also used as an additive resin in alkyd spray coatings to accelerate drying. The main applications of such coatings are in automotive refinishing and industrial finishing. view less | |
| Desmophen® NH 1521 | Covestro (formerly Bayer MaterialScience) 科思创 | Desmophen® NH 1521 is an amino-functional co-reactant for polyisocyanates, and is used for the manufacture of high-solids, two-component polyurethane coating formulations. This product has an amine number of 168-176mg KOH/g, a solvent content (GC method) ...view more Desmophen® NH 1521 is an amino-functional co-reactant for polyisocyanates, and is used for the manufacture of high-solids, two-component polyurethane coating formulations. This product has an amine number of 168-176mg KOH/g, a solvent content (GC method) of 9-11%, and an equivalent weight of approx. 326. Desmophen® NH 1521 is a reactive thinner which is suitable, either alone or in combination with suitable OH-functional polyacrylates and cured with e. g. Desmodur® N 3600 or N 3390, for the formulation of high-solids primer fillers and topcoats for automotive refinishing applications. view less |
