... effective pore opening of about 4 angstroms (0.4nm). Galaxychem type 4A molecular sieve will adsorb most molecules with a kinetic ... , in sequence of adsorption rate, argon, krypton, xenon, ammonia, carbon monoxide, C2H4, C2H2, CH3OH, C2H5OH, CH3CN2, CS2, CH3CL, CH3Br ... 5H2OTechnical parameter:ItemUnitTargetShape PelletSphereDiametermm1.5-1.73.0-3.31.7-2.53.0-5.0Size ratio up to grade% min98989696Bulk ...