Products

CRAYVALLAC® REV is a new high performance micronised amide wax rheology modifier offering perfect recoatability for regular, high solids and solvent-free coatings. CRAYVALLAC® REV has been designed to provide reliability and efficiency in a wide range of coatings. As other CRAYVALLAC® modifiers, it overcomes technical constraints such as seeding, false-body and migration of readily dissolved species to the surface. Even used in strong solvent systems, coatings formulated using CRAYVALLAC® REV offer an enhanced performance and very good recoatability.

ACRYSOL™ ASE-60 Alkali Soluble Anionic Thickener is an acid containing, acrylic emulsion copolymer. As such, when the emulsion is diluted with water and neutralized with a base, the polymer becomes soluble. Under these conditions, the emulsion clarifies and becomes highly viscous. ACRYSOL™ ASE-60 Thickener is effective at increasing low shear rate (Brookfield) viscosity, resulting in coatings that have highly shear thinning characteristics.

CRAYVALLAC® PA3 X 20 is used in solventborne coatings, top coats, varnishes, and wood coatings. It is compatible with acrylics, alkyds, nitrocellulose, and polyurethanes (PU) and is suitable for wood substrates.

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.

CRAYVALLAC® LA-150 is a new pourable liquid rheology modifier supplied in Dimethylsulfoxide (DMSO) for post addition to solvent based systems.CRAYVALLAC® LA-150 is a post-addition rheology modifier composed of a modified urea dissolved in DMSO. When added to the final system, the DMSO is diluted and the modified urea crystallizes out as very fine fibres which build into a three-dimensional interacting network. It is this network that gives rise to the system’s shear thinning rheology and time dependent viscosity recovery. The result is excellent control of sedimentation combined with ease of application. Immediately following application, where low shear conditions again predominate, the system’s viscosity undergoes a time dependent recovery as the network re-establishes itself. This time dependency is known as thixotropy and enables the final system to attain very good levelling.

CRAYVALLAC® 60P is a solid powder wax consisting of fine particles of oxidized polyethylene recommended to prevent irreversible hard settling. The fine nature of this dispersion means that CRAYVALLAC® 60P is easily incorporated and activated in coating systems. It is mainly used in industrial and maintenance coatings where its primary function is to provide pigment suspension without any increase in the apparent viscosity. CRAYVALLAC® 60P can generally be used in most solvent-based formulations. Typical applications are epoxy primers, vinyl primers, anti-fouling paints, road marking paints and chlorinated rubber coatings.

CRAYVALLAC® ULTRA is a pure polyamide especially recommended in 2K epoxy primers for its robustness. CRAYVALLAC® ULTRA is a micronised amide wax rheology modifier offering very good recoatability for ambient curing solvent-based epoxy coatings. CRAYVALLAC® ULTRA has been designed to overcome those difficulties which exist with older type organo-wax rheology modifiers e.g. seeding, false-body and migration of readily dissolved species to the surface. Consequently, when used in strong solvent systems, coatings formulated using CRAYVALLAC® ULTRA offer an enhanced performance and very good recoatability.

ACRYSOL™ RM-12W is a solvent-free, nonionic rheology modifier designed to offer high low-shear viscosity with an extremely shear thinning rheology and excellent thickening efficiency. Unlike conventional thickeners, ACRYSOL™ RM-12W offers excellent sag resistance with minimal effect on flow and leveling. While not capable of providing true thixotropy, it can offer advantages typical of thixotropes. These properties include improved brush/roller loading, good anti-drip properties, good in-can structure, and excellent flow, sag balance.

CRAYVALLAC® PF is a modified micronised hydrogenated castor oil rheology modifier specially designed to facilitate the incorporation in powder form for betteractivation and easier handling. The activation process is the conversion of the CRAYVALLAC® PF fine particles to an interacting network of fibers. It is this network that gives rise to the final system’s shear thinning rheology. This shear-thinning behavior provides a very high viscosity under the low shear rates associated with sedimentation, and a low viscosity at the much higher application shear rates. The net result is excellent control of sedimentation combined with ease of application. CRAYVALLAC® PF is suitable for a multitude of applications.

CRAYVALLAC® SLW is a high performance micronized amide wax rheology modifier designed for manufacture of one component Silyl-Terminated-Polymer based adhesives and sealants, especially for highly filled systems (demanding applications, High-Tack systems for instance).

CRAYVALLAC® SLX is a high performance micronised amide wax rheology modifier designed for the low temperature manufacture of moisture curing methoxysilane systems, where processing temperatures typically lie within the range 60 - 90°C. CRAYVALLAC® SLX particles are converted to an interacting network of crystalline fibres. It is this network that gives rise to the shear thinning rheology. This shear thinning characteristic provides for a low viscosity at the shear rates associated with application by extrusion, and a very high viscosity under the low shear rates experienced after application. The net result is ease of application followed by excellent sag and slump resistance.

CRAYVALLAC® LA-250 is a modified urea dissolved in DMSO and is a pourable liquid rheology modifier for post addition to low polarity solvent based coatings. CRAYVALLAC® LA-250 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.

CRAYVALLAC® SL is a high performance micronised amide wax rheology modifier designed for the high temperature manufacture of moisture curing methoxysilanes systems, where processing temperatures typically lie within the range 90 – 115°C. CRAYVALLAC® SL particles are converted to an interacting network of crystalline fibres. It is this network that gives rise to the shear thinning rheology. This shear thinning characteristic provides for a low viscosity at the shear rates associated with application by extrusion, and a very high viscosity under the low shear rates experienced after application. The net result is ease of application followed by excellent sag and slump resistance.

ACRYSOL™ RM-8W Rheology Modifier is a solvent-free, nonionic, hydrophobically modified ethylene oxide urethane (HEUR) rheology modifier that offers excellent flow and leveling, uniform film formation, gloss development and high thickening efficiency in interior and exterior latex paints. It can be used in combination with a high-shear builder such as ACRYSOL RM-3000 Rheology Modifier to reach a desired balance of high and low shear viscosity in flat through gloss formulations.

CRAYVALLAC® LV is a high performance, micronised amide wax rheology modifier suitable for very high-solids and solvent-free applications.CRAYVALLAC® LV overcomes those difficulties which exist with hydrogenated castor oil based rheology modifiers e.g. seeding and false-body. Consequently, coatings formulated using CRAYVALLAC® LV exhibit an enhanced performance such as controlled flow behavior, ease of application and excellent sag resistance. Its very high efficiency even when activated allows to reach very strong shear thinning that can result either in very high sag resistance or interresting balance between viscosity and sag resistance. Therefore CRAYVALLAC® LV is for instance highly recommended in the case of solvent free coatings with relatively low viscosity. It prevents the use of specific equipment for the application that are necessary with more viscous solvent-free coatings.