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Molecular Sieve 4A
Molecular Sieve type 4A is an alkali alumino silicate; it is the sodium form of the Type A crystal structure. Molecular sieve4A has an effective pore opening of about 4 angstroms (0.4nm). It will adsorb most molecules with a kinetic diameter of less than 4 angstroms and exclude those larger. Such adsorbable molecules include simple gas molecules such as oxygen, nitrogen, carbon dioxyde and straight chain hydrocarbons. Branched chain hydrocarbons and aromatics are excluded.
Typical Chemical Formula Na2O. Al2O3.2 SiO2. N H2O
Recommended Application
Drying and removing of CO2 from natural gas, LPG, air, inert and athmospheric gases, etc. Removal of hydrocarbons, ammonia and methanol from gas streams(ammonia syn gas treating) In the air break units of buses, trucks and locomotives. Packed in small bags for packing decicant for foods, etc.
