Molecular Sieve 4A 1,Used as gas dryer and purification 2,Purify various gases and liquids 3, High crushing strength Molecular Sieve 4A Applications: It is mainly used as a gas dryer and purification for various gases and liquids, such as refrigerant, medicine, electronic materials and changeable substance, purification of argon gas. Formula: Na2O·Al2O3·2.0SiO2·4.5H2O Technical parameter: ...