Appearance: Innocuous, scentless and flavourless white powder with good free flowing, environment protective. -Specification: Calcium exchanging capacity 295min Whiteness 96%min PH 11.3max LOI 22%max -Usage: Used as detergent in washing, improving washing ability, decreasing the cost of raw material. Zeolite 4A has strong adsorption capacity and makes preferential adsorption of certain gas and liquid molecular according to relative intensive of molecular formulas chemical polarity. It has high Ca2+, Mg2+ exchange capacity which can easily soften the hard water. As builder of synthetic detergent, it can replace STPP. -Packing: In 25kg, 40kg, or 50kg PP woven bags