Witco
i s the problem solver. Take phosphate esters Our Ultraphos® 11, 12 and 21A solve all kinds of problems that couldn't be solved so easily before. That's because each Ultraphos combines in one molecule many differ ent surfactant properties. One. They have both water and oil solubility, for much wider versatility. Two. Less foaming than surfac tants such as linear alkylate sulfonates and many other phosphate esters. Three. Outstanding surfactant
properties, including low surface ten sion that is relatively constant (30 dynes/cm) at concentrations from 0.01% tol%. Four. They're biodegradable. Five and six. Good solubilizing power. And good emulsifying power. Seven, and eight and nine. Witco's Ultraphos phosphate esters are anti static, antirust and have good lubricity. Ten, eleven and twelve. Excellent alkali stability; high salt tolerance; good hard water solubility. Lucky thirteen. They're compatible
with other anionics and nonionics. All of which makes them so versa tile they have found use in metal clean ers, cutting oils and syntheticfluids,degreasers, hydrotropes, detergents, emulsifiers, antistatic agents, oil-well drilling muds, paints, dye and pigment disper sions, shampoos, floor cleaners, corro sion inhibitors, upholstery cleaners. To name just a few products. For samples, call (212-826-1000) or write Witco Chemical, Ultra Division, Dept. AR-10, 277 Park Avenue, New York, Ν. Υ. 10017.