... molecules with a kinetic diameter of less than 4 angstroms and exclude those larger.Typical application: Will adsorb, in sequence of ... , carbon monoxide, C2H4, C2H2, CH3OH, C2H5OH, CH3CN2, CS2, CH3CL, CH3Br, and carbon dioxide.Deep drying of air, natural gas, alkane ... . The general revival temperature of Molecular Sieve 4A is about 300 and it should not surpass 450 at maximum.Package:25kg carton ...