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 Cray Valley has a small, yet versatile, selection of CRAYVALLAC® surface modifiers specifically developed to enhance the surface lubricity of water-based coatings. These surface modifiers are available as both micronised powders and easy to handle aqueous dispersions. CRAYVALLAC® surface modifiers are suitable for use in a wide range of water-based coating systems, where they provide the formulator with the following surface enhancements:
- Control of matting and silk effect.
- Improved scratch, slip, rub and abrasion resistance.
- Enhanced blocking and water repellency.
- Greater solvent and heat resistance.
- A smooth, silky-feel and appearance.
Due to their pre-wetted and pre-dispersed nature, CRAYVALLAC® aqueous dispersions are easier to incorporate into water-based coating systems. Compared to these, the CRAYVALLAC® micronised powders generally require the addition of a surfactant to facilitate the dispersion process.
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