Calsoft® F-90 is a dry, low color, white, free-flowing, 90+% active sodium linear alkyl benzene sulfonate flake. High purity, biodegradable Calsoft® LAS-99 is the base chemistry to produce Calsoft® F-90. It contains an anti-tack agent, which retards moisture pick up and keeps the product free-flowing. Calsoft® F-90 is a very high quality and consistent flaked sodium linear alkyl benzene sulfonate. Recommended for application in household, institutional and industrial cleaners, industrial cleaning compounds and metal cleaning.