Zeolite 4A Detergent Grade 1.High exchange capacity 2.Strong adsorption 3.White powder zeolite 4.Used in detergent powder Huiying Chemical Industry( Quanzhou) Co., Ltd, is a world famous manufacturer for 4a zeolite and molecular sieve. During 18 years hard working, we have gained a well-known brand both in and abroad. We have successfully cooperated with P & G, Kao, Liby, Nice, and some other famed brands.