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Molecular sieve 3A, also known as molecular sieve KA, with an aperture of about 3 angstroms, can be used for drying of gases and liquids as well as the dehydration of hydrocarbons. It is also widely used for the complete drying of petrol, cracked gases, ethylene, propylene and natural gases.

Technical Parameter
Item
unit
Target
Shape

Elongate
Sphere
Diameter
mm
1.5-1.7
3.0-3.3
1.7-2.5
3.0-5.0
Size ratio up to grade
%
≥98
≥98
≥96
≥96
Bulk density
g/ml
≥0.60
≥0.60
≥0.64
≥0.64
Wear ratio
%
≤0.20
≤0.25
≤0.10
≤0.10
Crushing strength
N
≥45/cm
≥80/cm
≥45/p
≥70/p
Static water adsorption
%
≥21
≥21
≥21
≥21
Packing water
%
≤1.0
≤1.0
≤1.0
≤1.0