4A Molecular Sieve Adsorbent is a clay-bound sodium form of Type A molecular sieve. 4A molecular sieve will adsorb molecules with critical diameters up to 4 angstroms. It adsorbs water and ethanol, but not larger molecules like propane.
 

APPLICATIONS:
Deep drying of gases and liquids, such as natural gas alkane, air, carbon dioxide etc.
Static drying for electronic component and hygroscopic substance
Dehydration of coating and polyester etc.

TOP also supply specialty 4A products: 4A-DG for natural gas and saturated hydrocarbon dehydration; 4A-LNG for natural gas purification for cryogenic storage.
 

 CHEMICAL FORMULA: Na12[(·AlO2) 12 (SiO2) 12 XH2O

TYPICAL PROPERTIES:
 

Molecules adsorbed Molecules with an effective diameter of <4 angstroms, e.g., CH3CH2OH、H2S、CO2、C2H4、SO2、C2H6和C3H6
Molecules excluded Molecules with an effective diameter of >4 angstroms, e.g., C3H8、C4H10
Measured at 17.5 mm Hg and 25 °C. The normal equilibrium water capacity in water saturated gas.
 

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