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Arkema Rheology & Specialty Additives

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Drawing on its unique expertise in materials science, Arkema offers a portfolio of best-in-class technologies to meet the growing demand for new innovative, high performance, sustainable materials. At the heart of this portfolio is Arkema Rheology and Specialty Additives. These are not "simple" additives, but truly advanced solutions based on extensive expertise in rheology, dispersion and texture of complex formulations. For more than 50 years and thanks to strong partnerships, these additives have been adding value to markets such as paints, adhesives, mineral processing, personal and home care products and many others.
38 Resultados
BR 100 P Arkema Rheology & Specialty Additives BR 100 P is a water soluble non ionic polyurethane thickener suitable to thicken anionic and non ionic emulsions and particularly styrene acrylics, vinyl-acrylics and other copolymers. It is used in semil-gloss, interior and exterior flat emulsion paints,...Vea Mas BR 100 P is a water soluble non ionic polyurethane thickener suitable to thicken anionic and non ionic emulsions and particularly styrene acrylics, vinyl-acrylics and other copolymers. It is used in semil-gloss, interior and exterior flat emulsion paints, anticorrosion paints and adhesives. Vea Menos Request Sample
Coadis™ BR 3 Arkema Rheology & Specialty Additives Coadis™ BR 3 is an acrylic copolymer dispersing agent particularly suitable for water or glycol based titanium dioxide and iron oxides dispersions. Request Sample
Thixol™ 50 S Arkema Rheology & Specialty Additives Thixol™ 50 S is a liquid acrylic self-associative thickener providing a thixotropic rheological profile to water-based systems, preventing them from settling and sagging without affecting leveling properties. Request Sample
Rheotech™ 2000 Arkema Rheology & Specialty Additives Rheotech™ 2000 is an acrylic associative thickener for water-based systems (also called HASE). It imparts a newtonian behaviour and is highly effective is silk and flat emulsion paints. It provides an excellent balance between high and low shear viscositi...Vea Mas Rheotech™ 2000 is an acrylic associative thickener for water-based systems (also called HASE). It imparts a newtonian behaviour and is highly effective is silk and flat emulsion paints. It provides an excellent balance between high and low shear viscosities and an excellent compatibility with most organic pigments. Vea Menos Request Sample
Rheotech™ M 02 Arkema Rheology & Specialty Additives Rheotech™ M 02 is a highly effective associative acrylic based thickener specifically designed for putty and textured coatings formulations Rheotech™ M 02 provides high viscosities at low and medium shear rates and outstanding resistance to crushing. Request Sample
Thixol™ 53 L Arkema Rheology & Specialty Additives Thixol™ 53 L is a liquid acrylic self-associative thickener providing a strong pseudoplastic rheological profile to water-based systems. This product significantly prevents from settling and sagging without affecting levelling properties. Thixol™ 53 L is ...Vea Mas Thixol™ 53 L is a liquid acrylic self-associative thickener providing a strong pseudoplastic rheological profile to water-based systems. This product significantly prevents from settling and sagging without affecting levelling properties. Thixol™ 53 L is solvent-, APEO- and tin-free. Vea Menos Request Sample
Rheotech™ 3800 Arkema Rheology & Specialty Additives Rheotech™ 3800 is an acrylic associative thickener for water-based systems (also called HASE). It is designed to improve both the rheology and the color acceptance of water-based formulations. Its outstanding effectiveness at medium shear rates allows to ...Vea Mas Rheotech™ 3800 is an acrylic associative thickener for water-based systems (also called HASE). It is designed to improve both the rheology and the color acceptance of water-based formulations. Its outstanding effectiveness at medium shear rates allows to control very easily the perceived quality of paints during handling and to facilitate coating by roll or by brush, especially for finishing touches. Vea Menos Request Sample
Viscoatex™ 100 S Arkema Rheology & Specialty Additives Viscoatex™ 100 S is a powerful acrylic thickener. The high-viscosity formulations made with Viscoatex™ 100 S exhibit a smooth and easy flow. Primarily designed for water-based systems, it can also be used to thicken solvent-based formulations such as alco...Vea Mas Viscoatex™ 100 S is a powerful acrylic thickener. The high-viscosity formulations made with Viscoatex™ 100 S exhibit a smooth and easy flow. Primarily designed for water-based systems, it can also be used to thicken solvent-based formulations such as alcohol gels or petroleum-based solvents as long as it is used in combination with a polar solvent. Vea Menos Request Sample
Rheotech™ M 03 Arkema Rheology & Specialty Additives Rheotech™ M 03 is a highly effective associative acrylic thickener especially designed for water-based putties and textured coating formulations. Rheotech™ M 03 provides high viscosities at low and medium shear rate with a good shear thinning behaviour. I...Vea Mas Rheotech™ M 03 is a highly effective associative acrylic thickener especially designed for water-based putties and textured coating formulations. Rheotech™ M 03 provides high viscosities at low and medium shear rate with a good shear thinning behaviour. It is therefore giving a good body and high build to formulations while exhibiting ease of application. Vea Menos Request Sample
Viscoatex™ 730 Arkema Rheology & Specialty Additives Viscoatex™ 730 is a synthetic alkali swellable, solvent free and liquid thickener for water-borne systems, highly effective to increase low shear viscosities as well as yield values. Levels of use can thus be significantly reduced in replacing usual low s...Vea Mas Viscoatex™ 730 is a synthetic alkali swellable, solvent free and liquid thickener for water-borne systems, highly effective to increase low shear viscosities as well as yield values. Levels of use can thus be significantly reduced in replacing usual low shear effective thickeners by Viscoatex™ 730. It is recommended for use in flat paints, textured coatings, plasters and woodstains. It is easy to handle and can be incorporated at any manufacture step. Vea Menos Request Sample
Rheotech™ 4000 LC Arkema Rheology & Specialty Additives Rheotech™ 4000 LC is a low carbon footprint HASE thickener designed to improve both the rheology and the color acceptance of water-based formulations. Rheotech™ 4000 LC exhibits a carbon footprint reduction of more than 15% compared to standard HASE thick...Vea Mas Rheotech™ 4000 LC is a low carbon footprint HASE thickener designed to improve both the rheology and the color acceptance of water-based formulations. Rheotech™ 4000 LC exhibits a carbon footprint reduction of more than 15% compared to standard HASE thickeners with no compromise on performance. Its outstanding effectiveness at medium shear rates allows to control very easily the perceived quality of paints during handling and to facilitate coating by roll or by bush, especially for finishing touches. Rheotech™ 4000 LC ensures safe additions of colorants in water-based formulations, limiting viscosity changes and rub-out issues. Rheotech™ 4000 LC can be used in every kind of alkaline water-based formulation particularly in solvent and Alkyl Phenol Ethoxylate (APE) free systems. Vea Menos Request Sample
Rheotech™ 4800 Arkema Rheology & Specialty Additives Rheotech™ 4800 is an acrylic associative thickener for water-based systems (also called HASE). It provides a pseudoplastic rheology profile and therefore enhance viscosities at low shear rates together with a valuable appearence. It is particularly effici...Vea Mas Rheotech™ 4800 is an acrylic associative thickener for water-based systems (also called HASE). It provides a pseudoplastic rheology profile and therefore enhance viscosities at low shear rates together with a valuable appearence. It is particularly efficient in systems with a very low binder content exhibits an outstanding behaviour towards coloring. Vea Menos Request Sample
Rheotech™ 3300 Arkema Rheology & Specialty Additives Rheotech™ 3300 is a hydrophobically modified alkali swellable acrylic based associative thickener. Compared with Rheotech™ 2000, it provides more in–can viscosity, and is thus recommended for use in interior and exterior flat dispersion paints, where it i...Vea Mas Rheotech™ 3300 is a hydrophobically modified alkali swellable acrylic based associative thickener. Compared with Rheotech™ 2000, it provides more in–can viscosity, and is thus recommended for use in interior and exterior flat dispersion paints, where it imparts excellent rheological balance between high and low shear viscosities with low dosage. Rheotech™ 3300 therefore improves brush load and film build, spattering, and sag-levelling compromise. Rheotech™ 3300 is an ethoxylated nonylphenols-free alternative to Rheotech™ 3000. Vea Menos Request Sample
Rheotech™ 3900 Arkema Rheology & Specialty Additives Rheotech™ 3900 is an associative acrylic thickener designed to improve both the rheology and the color acceptance of water based formulations. Its outstanding effectiveness at medium shear rates allows to control very easily the perceived quality of paint...Vea Mas Rheotech™ 3900 is an associative acrylic thickener designed to improve both the rheology and the color acceptance of water based formulations. Its outstanding effectiveness at medium shear rates allows to control very easily the perceived quality of paints during handling and to facilitate coating by roll or by bush, especially for finishing touches. Rheotech™ 3900 ensures safe additions of colorants in water based formulations, limiting viscosity changes and rub-out issues. Rheotech™ 3900 can be used in every kind of alkaline water based formulation and particulary in solvent and Alkyl Phenol Ethoxylate (APE) free formulations. Vea Menos Request Sample
Rheotech™ 4000 MB Arkema Rheology & Specialty Additives Rheotech™ 4000 MB is the Mass Balance version of the Rheotech™ 4000 LC with a Bio-attributed content of 60%. It allows a significant reduction of the product's carbon footprint compared to its fossil version. Rheotech™ 4000 MB achieves the same performanc...Vea Mas Rheotech™ 4000 MB is the Mass Balance version of the Rheotech™ 4000 LC with a Bio-attributed content of 60%. It allows a significant reduction of the product's carbon footprint compared to its fossil version. Rheotech™ 4000 MB achieves the same performance as the Rheotech™ 4000 LC and can be readily used and implemented as a direct drop-in. Vea Menos Request Sample
Rheotech™ 3500 Arkema Rheology & Specialty Additives Rheotech™ 3500 is highly recommendable for the rheology adjustment of semi-gloss and matt dispersion paints. It provides an improved rheological behaviour to semi-gloss and matt dispersion paints. Thanks to its associative character, It is also highly eff...Vea Mas Rheotech™ 3500 is highly recommendable for the rheology adjustment of semi-gloss and matt dispersion paints. It provides an improved rheological behaviour to semi-gloss and matt dispersion paints. Thanks to its associative character, It is also highly effective at medium and high shear rates. In particular, it is the ideal tool in order tomatch a given Stormer viscosity (medium shear viscosity). Therefore, compared to cellulosic ethers, it provides both better in-can appearance and coating properties: the better control of the medium shear viscosity allows to reinforce the in-can consistency, thus the perceived quality of the paint. It can be used in combination with other thickeners, either those effective at low shear rates (e.g cellulosic ethers and acrylic thickeners such as Viscoatex™ 730 or Thixol™ 53 L), or those providing a Newtonian rheology (e.g polyurethane thickeners such as Coapur™ 3025). Vea Menos Request Sample
Viscoatex™ 560 Arkema Rheology & Specialty Additives Viscoatex™ 560 is a formaldehyde-free, APEO-free, Heavy metal-free and Solvent-free non associative thickener designed for use in adhesives, paints, sealants & mastics. Viscoatex™ 560 imparts robustness versus variations of ingredients such as latex type,...Vea Mas Viscoatex™ 560 is a formaldehyde-free, APEO-free, Heavy metal-free and Solvent-free non associative thickener designed for use in adhesives, paints, sealants & mastics. Viscoatex™ 560 imparts robustness versus variations of ingredients such as latex type, surfactant and co-solvent. Vea Menos Request Sample
Rheotech™ 4200 Arkema Rheology & Specialty Additives Rheotech™ 4200 is an acrylic associative thickener for water-based systems (also called HASE). It is designed to improve both the rheology and the color acceptance of water-based formulations. Its outstanding effectiveness at medium shear rates allows to ...Vea Mas Rheotech™ 4200 is an acrylic associative thickener for water-based systems (also called HASE). It is designed to improve both the rheology and the color acceptance of water-based formulations. Its outstanding effectiveness at medium shear rates allows to control very easily the perceived quality of paints during handling and to facilitate coating by roll or by brush, especially for finishing touches. Vea Menos Request Sample
Rheotech™ 2800 Arkema Rheology & Specialty Additives Rheotech™ 2800 is an acrylic associative thickener for water-based systems (also called HASE). Its specific associative behavior allows it to provide a unique rheological balance between high, medium and low shear rates. It helps to aim simultaneously ver...Vea Mas Rheotech™ 2800 is an acrylic associative thickener for water-based systems (also called HASE). Its specific associative behavior allows it to provide a unique rheological balance between high, medium and low shear rates. It helps to aim simultaneously very good body, value at hand stirring, stability and ease of coat, leveling, film building and spatter resistance. Vea Menos Request Sample
Coapur™ 817 W Arkema Rheology & Specialty Additives Coapur™ 817 W is a solvent-free and APEO free pure associative polyurethane thickener (also called HEUR, NISAT or NSAT). It can be used sole or in combination with other polyurethane thickeners or with other types of rheology modifiers such as acrylic or ...Vea Mas Coapur™ 817 W is a solvent-free and APEO free pure associative polyurethane thickener (also called HEUR, NISAT or NSAT). It can be used sole or in combination with other polyurethane thickeners or with other types of rheology modifiers such as acrylic or cellulosic thickeners. It increaseases specifically viscosities at medium and high shear rates in order to improve tool load, film build, leveling and brush drag. Vea Menos Request Sample
Coapur™ XS 12 Arkema Rheology & Specialty Additives Coapur™ XS 12 is a solvent and Alkyl Phenol Ethoxylate (APE) free associative polyurethane thickener designed for water-based formulations. Coapur™ XS 12 can be used sole or in combination either with other polyurethane thickeners or with any type of rheo...Vea Mas Coapur™ XS 12 is a solvent and Alkyl Phenol Ethoxylate (APE) free associative polyurethane thickener designed for water-based formulations. Coapur™ XS 12 can be used sole or in combination either with other polyurethane thickeners or with any type of rheology modifiers such as acrylic or cellulosic thickeners, acting at low shear rates. Coapur™ XS 12 is a pure associative thickener. Vea Menos Request Sample
Viscoatex™ 330 Arkema Rheology & Specialty Additives Viscoatex™ 330 is a synthetic alkali swellable liquid, solvent free thickener for water-borne systems, effective to increase low shear viscosities as well as yield values. Its use in textured coatings stops sagging and gives a good body to the coating wit...Vea Mas Viscoatex™ 330 is a synthetic alkali swellable liquid, solvent free thickener for water-borne systems, effective to increase low shear viscosities as well as yield values. Its use in textured coatings stops sagging and gives a good body to the coating without decreasing brushability. In adhesives, particularly on vertical surfaces, it provides excellent resistance to movement immediately after application. Vea Menos Request Sample
Viscoatex™ 46 Arkema Rheology & Specialty Additives Viscoatex™ 46 avoids the formation of syneresis and sagging in paints and adhesives. In pigments and extender dispersions (pigment pastes or slurries), the use of Viscoatex™ 46 avoids settling. Request Sample
Ecodis™ 40 Arkema Rheology & Specialty Additives Ecodis™ 40 is a sodium neutralized polyacrylate dispersing agent for water-based systems. It ensures the complete dispersion of extenders and inorganic pigments at high solids contents in systems showing medium to high PVC (Pigment Volume Concentration). ...Vea Mas Ecodis™ 40 is a sodium neutralized polyacrylate dispersing agent for water-based systems. It ensures the complete dispersion of extenders and inorganic pigments at high solids contents in systems showing medium to high PVC (Pigment Volume Concentration). Very versatile and suitable for titanium dixide, Kaolin and calcium cabonates. Besides dispersion paints, the main applications are in adhesives & sealants. Vea Menos Request Sample
Ecodis™ 80 Arkema Rheology & Specialty Additives Ecodis™ 80 is an ammonium neutralized polyacrylate dispersing agent for water-based systems. It ensures the complete dispersion of extenders and inorganic pigments at high solids contents in systems showing medium to high PVC (Pigment Volume Concentration...Vea Mas Ecodis™ 80 is an ammonium neutralized polyacrylate dispersing agent for water-based systems. It ensures the complete dispersion of extenders and inorganic pigments at high solids contents in systems showing medium to high PVC (Pigment Volume Concentration). Very versatile and suitable for titanium dixide, Kaolin and calcium cabonates. Besides dispersion paints, the main applications for Ecodis™ 80 are in adhesives and wall paper pastes. Vea Menos Request Sample
Ecodis™ C 30 Arkema Rheology & Specialty Additives Ecodis™ C 30 has been especially developed as a lighter-colored version of Ecodis™ P 30 with limited color evolution upon storage. It ensures the complete dispersion of extenders and inorganic pigments at high solids contents in systems showing medium to ...Vea Mas Ecodis™ C 30 has been especially developed as a lighter-colored version of Ecodis™ P 30 with limited color evolution upon storage. It ensures the complete dispersion of extenders and inorganic pigments at high solids contents in systems showing medium to high PVC. Vea Menos Request Sample
Ecodis™ N Arkema Rheology & Specialty Additives Ecodis™ N is a cost effective dispersant recommended for use in matt dispersion paints. It contributes to shorten the time needed for a proper incorporation of usual fillers and pigments (calcium carbonate, titanium dioxide) even when a high concentration...Vea Mas Ecodis™ N is a cost effective dispersant recommended for use in matt dispersion paints. It contributes to shorten the time needed for a proper incorporation of usual fillers and pigments (calcium carbonate, titanium dioxide) even when a high concentration in solids is required. Ecodis™ N also helps to ensure long term viscosity stability to dispersion paints showing a high solids content and/or a high PVC (pigment volumic concentration). Vea Menos Request Sample
Ecodis™ NP Arkema Rheology & Specialty Additives Ecodis™ NP is designed to disperse and stabilize a wide range of fillers, extenders, and inorganic pigments. It enables to achievement of mill bases with a high solids content and simultaneously a low viscosity using the most common stirrers or defloccula...Vea Mas Ecodis™ NP is designed to disperse and stabilize a wide range of fillers, extenders, and inorganic pigments. It enables to achievement of mill bases with a high solids content and simultaneously a low viscosity using the most common stirrers or deflocculating tools. Ecodis™ NP is particularly adapted for the dispersion of fine calcium carbonates, clays, and high value pigments such as titanium dioxide across a wide range of water-based formulations. It ensures very good storage stability even for formulations stored for a long time at higher temperatures, which is not the case of inorganic additives such as phosphate-based dispersants. Ecodis™ NP contributes to reducing formulation costs thanks to its high effectiveness and to the reduction of grinding time. Vea Menos Request Sample
Ecodis™ P 30 Arkema Rheology & Specialty Additives Ecodis™ P 30 is a sodium neutralized polyacrylate dispersing agent for water-based systems. It ensures the complete dispersion of extenders and inorganic pigments at high solids contents in systems showing medium to high PVC (Pigment Volume Concentration)...Vea Mas Ecodis™ P 30 is a sodium neutralized polyacrylate dispersing agent for water-based systems. It ensures the complete dispersion of extenders and inorganic pigments at high solids contents in systems showing medium to high PVC (Pigment Volume Concentration). Very versatile and suitable for titanium dixide, Kaolin and calcium cabonates. Vea Menos Request Sample
Ecodis™ P 30 MB Arkema Rheology & Specialty Additives Ecodis™ P 30 MB is the Mass Balance version of the Ecodis™ P 30 with a Bio-attributed content of 100%. It allows a significant reduction of the product's carbon footprint compared to its fossil version. Ecodis™ P 30 MB achieves the same performance as the...Vea Mas Ecodis™ P 30 MB is the Mass Balance version of the Ecodis™ P 30 with a Bio-attributed content of 100%. It allows a significant reduction of the product's carbon footprint compared to its fossil version. Ecodis™ P 30 MB achieves the same performance as the Ecodis™ P 30 and can be readily used and implemented as a direct drop-in. Vea Menos Request Sample
Ecodis™ P 50 Arkema Rheology & Specialty Additives Ecodis™ P 50 is a sodium neutralized polyacrylate dispersing agent for water-based systems. It ensures the complete dispersion of extenders and inorganic pigments at high solids contents in systems showing medium to high PVC (Pigment Volume Concentration)...Vea Mas Ecodis™ P 50 is a sodium neutralized polyacrylate dispersing agent for water-based systems. It ensures the complete dispersion of extenders and inorganic pigments at high solids contents in systems showing medium to high PVC (Pigment Volume Concentration). Vea Menos Request Sample
Ecodis™ P 50 MB Arkema Rheology & Specialty Additives Ecodis™ P 50 MB is the Mass Balance version of the Ecodis™ P 50 with a Bio-attributed content of 100%. It allows a significant reduction of the product's carbon footprint compared to its fossil version. Ecodis™ P 50 MB achieves the same performance as the...Vea Mas Ecodis™ P 50 MB is the Mass Balance version of the Ecodis™ P 50 with a Bio-attributed content of 100%. It allows a significant reduction of the product's carbon footprint compared to its fossil version. Ecodis™ P 50 MB achieves the same performance as the Ecodis™ P 50 and can be readily used and implemented as a direct drop-in. Vea Menos Request Sample
Ecodis™ P 90 Arkema Rheology & Specialty Additives Ecodis™ P 90 is an ammonium neutralized polyacrylate dispersing agent for water-based systems. It ensures the complete dispersion of extenders and inorganic pigments at high solids contents in systems showing medium to high PVC (Pigment Volume Concentrati...Vea Mas Ecodis™ P 90 is an ammonium neutralized polyacrylate dispersing agent for water-based systems. It ensures the complete dispersion of extenders and inorganic pigments at high solids contents in systems showing medium to high PVC (Pigment Volume Concentration). It also provides improved scrub resistance. Vea Menos Request Sample
Ecodis™ P 90 MB Arkema Rheology & Specialty Additives Ecodis™ P 90 MB is the Mass Balance version of the Ecodis™ P 90 with a Bio-attributed content of 100%. It allows a significant reduction of the product's carbon footprint compared to its fossil version. Ecodis™ P 90 MB achieves the same performance as the...Vea Mas Ecodis™ P 90 MB is the Mass Balance version of the Ecodis™ P 90 with a Bio-attributed content of 100%. It allows a significant reduction of the product's carbon footprint compared to its fossil version. Ecodis™ P 90 MB achieves the same performance as the Ecodis™ P 90 and can be readily used and implemented as a direct drop-in. Vea Menos Request Sample
Rheotech™ 146 Arkema Rheology & Specialty Additives Rheotech™ 146 is a non associative thickener designed for use in adhesives, paints, sealants & mastics. Request Sample
Coapur™ 830 W Arkema Rheology & Specialty Additives Coapur™ 830 W is a solvent-free and APEO free pure associative polyurethane thickener (also called HEUR, NISAT or NSAT). It can be used sole or in combination with other polyurethane thickeners or with other types of rheology modifiers such as acrylic or ...Vea Mas Coapur™ 830 W is a solvent-free and APEO free pure associative polyurethane thickener (also called HEUR, NISAT or NSAT). It can be used sole or in combination with other polyurethane thickeners or with other types of rheology modifiers such as acrylic or cellulosic thickeners. It increaseases specifically viscosities at medium and high shear rates in order to improve tool load, film build, leveling and brush drag. It is a 30% solids version of Coapur™ 817 W. Vea Menos Request Sample
Coapur™ 2020 W Arkema Rheology & Specialty Additives Coapur™ 2020 W is a solvent and Alkyl Phenol Ethoxylate (APE) free associative polyrethane thickener designed for water based formulations. Coapur™ 2020 W can be used sole or in combination either with other polyrethane thickeners or with any type of rheo...Vea Mas Coapur™ 2020 W is a solvent and Alkyl Phenol Ethoxylate (APE) free associative polyrethane thickener designed for water based formulations. Coapur™ 2020 W can be used sole or in combination either with other polyrethane thickeners or with any type of rheology modifiers such as acrylic or cellulosic thickeners, acting at low shear rates. Coapur™ 2020 W is a pure associative thickener. It is designed to interact strongly with the blinder of the formulation, in order to control the rheology at high shear rates. Coapur™ 2020 W helps to match the highest coating quality possible for water-based formulations. Vea Menos Request Sample
CRAYVALLAC® LA-377 Arkema Rheology & Specialty Additives CRAYVALLAC® LA-377 is a modified urea dissolved in DMSO. CRAYVALLAC® LA-377 is a pourable liquid rheology modifier for post addition to water-based coatings such as water-dilutable alkyds and acrylic emulsions. It was developed to ensure particular suitab...Vea Mas CRAYVALLAC® LA-377 is a modified urea dissolved in DMSO. CRAYVALLAC® LA-377 is a pourable liquid rheology modifier for post addition to water-based coatings such as water-dilutable alkyds and acrylic emulsions. It was developed to ensure particular suitability for metal coating as its formula is lithium chloride-free. CRAYVALLAC® LA-377 should be added to the coating as a slow stream under low to medium shear conditions to ensure sufficient dispersion. Although efficient stirring is required to ensure homogeneity, elevated temperatures are not required for activation and the use of excessive shear should be avoided. Vea Menos Request Sample