Type 4A Molecular Sieves

Type 4A Molecular Sieves:
1.Excellent quality
2.High water absorbility
3.ISO 9001:2008
4.Shape:Sphere,Strip
Type 4A Molecular Sieves

Molecular Sieves(4A) is an alkali alumina silicate, it is the sodium form of the Type A crystal structure.4A molecular sieves has an effective pore opening of about 4 angstroms(0.4nm), MAX type 4A molecular sieve will adsorb most molecules with a kinetic diameter of less than 4 angstroms and exclude those large. Such absorbable molecules include simple gas molecules such as oxygen, nitrogen, carbon dioxyde and straight chain hydrocarbon. Branched chain hydrocarbons and aromatics are excluded.

Typical chemical formula
Na2O ·Al2O3·2.0SiO2·4.5H2O

Technical parameter
Item
Unit
Target
Shape

Pellet
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
≥0.68
≥0.68
≥0.68
≥0.68
Wear ratio
%
≤0.20
≤0.40
≤0.20
≤0.20
Crushing strength
N
≥30/cm
≥45/cm
≥30/piece
≥70/piece
Static water adsorption
%
≥20.5
≥20.5
≥21.0
≥21.0
Static methanol adsorption
%
≥15.0
≥15.0
≥15.0
≥15.0
Water content, as shipped
%
≤1.5
≤1.5
≤1.5
≤1.5

Application
Drying and removing of CO2 from natural gas, LPG, air, inert and atmospheric gasses, etc.
Removal of hydrocarbons, ammonia and methanol from gas streams(ammonia syn gas treating)
Special types are used in the air break units of buses, trucks and locomotives.
Packed in small bags. It may be used simply as a packaging desiccant.

For more details,please feel free to contact with me.