Sphere Size mm	Φ 2--3	Φ 3--5	Φ 4--6
Bulk Density g/cm3	0.64--0.68	0.60--0.65	0.60--0.64
Crush Resistance N/sphere	30	70	80
Abrasion Loss WT%	≤0.30
Static Absorbing Capacity RH60%	≥21

Molecularr sieve 4A is mainly used for drying of oil field accompanying gas and natural gas.