The Universal Selection Source: Coatings Ingredients
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NECOWEL 4400 by ASK Chemicals is a cosolvent-free, cation modified alkyd emulsion based on saturated fatty acids. Does not contain APEO (alkylphenol ethoxylates), VOC (volatile organic compound) and SVOC (semivolatile organic compounds). Offers good properties at neutral pH-value though the best properties can be reached at a pH-value of 6.5. Offers excellent stain blocking properties against water soluble substrate contaminations like nicotine, tobacco condensate, markers and wood ingredients. Most of these water soluble colorants are anionic and are fixed at the cationic counterpart in the resin. Shows good compatibility with additives and different kinds of pigments & fillers. Also offers excellent wetting and application properties. NECOWEL 4400 by ASK Chemicals is suitable for stain blocking wall paints.
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