Covestro (formerly Bayer MaterialScience) provides raw materials, such as waterborne adhesives, major high solids coatings, advanced powder coatings, and specialty sealant chemistries. Bayer produces polycarbonates and polycarbonate blends, polyurethanes, and TPU resins, particularly for design and processing parts with TPU resins applications; helping products in a wide variety of applications look better and last longer.
Baybond® XL 7270 is a waterbased aliphatic blocked polyisocyanate that is suitable for use as a crosslinker for glassfiber sizings. This product has a non-volatile content (0.9 - 1.1g / 1h / 125°C, convection oven) of 30 ± 1, a flow time at 23°C, (4mmcup)...view more
Baybond® XL 7270 is a waterbased aliphatic blocked polyisocyanate that is suitable for use as a crosslinker for glassfiber sizings. This product has a non-volatile content (0.9 - 1.1g / 1h / 125°C, convection oven) of 30 ± 1, a flow time at 23°C, (4mmcup) of 10-14, and a pH value at 20°C (supply form) of 7-8.
Baybond® XL 7270 was developed as crosslinker for the sizing of glass fibers used in combination with Baybond binders to reinforce thermoplastics, particularly polyamide. Glass fiber sizes based on Baybond® XL 7270 are characterized by their good colorfastness, even at elevated temperatures. The mechanical film properties of sizings based on Baybond® XL 7270 are developed fully by postcrosslinking at temperatures from 170°C for a duration of 20 minutes. The product is compatible with the additives normally used in the formulation of glass sizes, e.g. adhesion promoters, lubricants, antistatic agents and plasticizers. view less
Baybond® XL 825 is a waterbased aliphatic blocked polyisocyanate that is suitable for use as a crosslinker for glassfiber sizings. This product non-volatile content (0.9 - 1.1g / 1h / 125°C,convection oven) 30 ± 1, a flow time at 23°C, (4mmcup) of 10 - 5...view more
Baybond® XL 825 is a waterbased aliphatic blocked polyisocyanate that is suitable for use as a crosslinker for glassfiber sizings. This product non-volatile content (0.9 - 1.1g / 1h / 125°C,convection oven) 30 ± 1, a flow time at 23°C, (4mmcup) of 10 - 55 , and a pH value at 20°C (supply form) of 7-8.
Baybond® XL 825 was developed as crosslinker for the sizing of glass fibers used in combination with Baybond binders to reinforce thermoplastics, particularly polyamide. Glass fiber sizes based on Baybond® XL 825 are characterized by their good colorfastness, even at elevated temperatures. The mechanical film properties of sizings based on Baybond® XL 825 are developed fully by postcrosslinking at temperatures from 170°C for a duration of 20 minutes. The product is compatible with the additives normally used in the formulation of glass sizes, e.g. adhesion promoters, lubricants, antistatic agents and plasticizers. view less
Desmodur® BL 3175 SN is a blocked aliphatic polyisocyanate crosslinking stoving urethane resin based on HDI. It is used with Desmophen® for lightfast, one-pack polyurethane stoving coatings; improves flexibility/adhesion in conventional stoving systems. T...view more
Desmodur® BL 3175 SN is a blocked aliphatic polyisocyanate crosslinking stoving urethane resin based on HDI. It is used with Desmophen® for lightfast, one-pack polyurethane stoving coatings; improves flexibility/adhesion in conventional stoving systems. This product has a non-volatile content (0.2 g/60 min/80°C) of 75 ± 2%, a viscosity at 23°C of 3,300 ± 400 mPa·s, and a color value (hazen) of ≤ 60. view less
Desmodur® BL 3272 MPA is an aliphatic crosslinking stoving urethane resin used in combination with Desmophen® and Alkynol® grades to formulate lightfast, one-pack stoving polyurethane coatings; as an additive in conventional stoving systems to improve the...view more
Desmodur® BL 3272 MPA is an aliphatic crosslinking stoving urethane resin used in combination with Desmophen® and Alkynol® grades to formulate lightfast, one-pack stoving polyurethane coatings; as an additive in conventional stoving systems to improve the flexibility and adhesion. This product has a non-volatile content (0.2 g/60 min/80°C) of 72 ± 2%, a viscosity at 23°C of 2,700 ± 750 mPa·s, and a color value (hazen) of ≤ 60. view less
Desmodur® BL 3370 MPA is a blocked aliphatic polyisocyanate based on HDI. It is used in combination with Desmophen® grades to formulate lightfast, one-component stoving polyurethane coatings with high resistance to thermal yellowing; as an additive in con...view more
Desmodur® BL 3370 MPA is a blocked aliphatic polyisocyanate based on HDI. It is used in combination with Desmophen® grades to formulate lightfast, one-component stoving polyurethane coatings with high resistance to thermal yellowing; as an additive in conventional stoving coating systems to improve the reactivity, flexibility and adhesion. This product has a non-volatile content (1g/60 min/80°C) of 70 ± 3%, a viscosity at 23°C of 3,800 ± 1,200 mPa·s, and a color value (hazen) of ≤ 60. view less
Desmodur® BL 3475 BA/SN is an aliphatic crosslinking stoving urethane resin is used in combination with Desmophen® grades to formulate lightfast, one-component stoving polyurethane coatings; as an additive in conventional stoving coating systems to improv...view more
Desmodur® BL 3475 BA/SN is an aliphatic crosslinking stoving urethane resin is used in combination with Desmophen® grades to formulate lightfast, one-component stoving polyurethane coatings; as an additive in conventional stoving coating systems to improve the reactivity, flexibility and adhesion. This product has a viscosity at 23°C of 1,000 ± 300 mPa·s, a color value (Iod) of ≤ 4, and a flash point of approximately 41°C. view less
Desmodur® BL 4265 SN is a block aliphatic polyisocyanate based on IPDI crosslinking stoving urethane resin. It can be used in combination with polyol components to formulate lightfast one-pack stoving coatings. This product has a free NCO content (modifie...view more
Desmodur® BL 4265 SN is a block aliphatic polyisocyanate based on IPDI crosslinking stoving urethane resin. It can be used in combination with polyol components to formulate lightfast one-pack stoving coatings. This product has a free NCO content (modified) of < 0.2%, a blocked NCO content of approximately 8.1%, and a viscosity at 25°C of approximately 10,500 mPa·s. view less
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® XP 2714 is a silane-functional aliphatic polyisocyanate based on hexamethylene diisocyanate for use as the hardener component for lightfast, weather-stable coating systems. This product has an NCO content of approx. 15.9%, a viscosity at 23°C ap...view more
Desmodur® XP 2714 is a silane-functional aliphatic polyisocyanate based on hexamethylene diisocyanate for use as the hardener component for lightfast, weather-stable coating systems. This product has an NCO content of approx. 15.9%, a viscosity at 23°C approx. 1,350 mPa·s, and a monomeric HDI of < 0.5%.
Coatings based on Desmodur® XP 2714 are characterized by their excellent adhesion on metallic and mineral substrates. Therefore Desmodur® XP 2714 is particularly suitable for direct-to-metal coatings, e.g. in combination with Desmophen® NH-grades for corrosion protection applications. view less
Desmodur® XP 2731 is an aliphatic polyisocyanate (HDI allophanate trimer), and is the hardener component for solvent-free, light fast, scratch-resistant polyurethane coating systems. It is primarily in combination with solvent-free Desmophen® grades for i...view more
Desmodur® XP 2731 is an aliphatic polyisocyanate (HDI allophanate trimer), and is the hardener component for solvent-free, light fast, scratch-resistant polyurethane coating systems. It is primarily in combination with solvent-free Desmophen® grades for in-mold coatings. This product has an NCO-content of approx. 19.5%, an equivalent weight of approx. 215, a density at 20°C of approx. 1.17g/cm^3. view less
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