Alcohols are widely used as part of a solvent blend for lacquers and lacquer thinners. Alcohols, especially Butyl Cellosolve and Butyl Carbitol are water miscible and are used as cosolvents in water-based coatings. Cosolvents are critical in maintaining solubility and stability as well as film formation of water-based coatings. They are polar and non-photochemically reactive. Alcohols must never be used with two-component polyurethanes because the OH group of the alcohol reacts with the NCO group of the polyurethane and neutralizes the chemical reaction. a include: • Methanol R6K1 • HAPS Complying Dye Stain Reducer • Isopropanol (Isopropyl Alcohol) • Secondary Butanol R6K19 • N-Butanol and Isobutanol • Diacetone Alcohol R6K24 Butyl Cellosolve R6K25 • Butyl Carbitol • PM Reducer R6K34 • Texanol® Ester Alcohol R6K33 Methanol R6K1 is extremely fast evaporating. Poisonous. Primary use is for dye stains. It is not HAPS compliant. HAPS Complying Dye Stain Reducer R6K21 is a special ethyl alcohol (ethanol) blend intended for diluting S61 HAPS complying dye stains to maintain HAPS compliance. It is more expensive than methanol. Generally ethanol is denatured by using small quantities of methanol but this makes it non-HAPS compliant. R6K21 uses a different compound. Isopropanol (Isopropyl Alcohol) - no sales rex - is slightly slower evaporation than ethanol. It is HAPS compliant. Secondary Butanol R6K19 may be used as a reducer (up to 10% reduction) in KEM AQUA 70P W/R Metal Primer and other W/R alkyds for slightly faster dry to handle. It helps the water to evaporate, helps apply thinner film for faster dry, will raise VOC and may give a flash point to the paint which will affect storage, packaging and safety. It is HAPS compliant.
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