molecular sieve 4A
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4a molecular sieve
Molecular Sieves 4A
Molecular Sieve 4A is an alkali aluminosilicate; it is the sodium form of the Type A crystal structure. Molecular sieve 4A 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 dioxide and straight chain hydrocarbons. Branched chain hydrocarbons and aromatics are excluded.
Properties Unit Bead Pellet Note
Diameter mm 1.6-2.5 3-5 1/16 1/8
Static Water Adsorption %wt >=21.5 >=21.5 >=21.5 >=21.5 RH50%, 250
Bulk Density g/ml >=0.70 >=0.70 >=0.65 >=0.65 Settled
Loss on Ignition %wt <=1.50 <=1.50 <=1.50 <=1.50 5750, 1hr
Loss on Attrition %wt <=0.10 <=0.10 <=0.20 <=0.20
Crush Strength N >=40 >=80 >=35 >=80
Particle Ratio % >= 97 >=99 ~ ~
1. Drying and removing of CO2 from natural gas, LPG, air, inert and atmospheric gases, etc.
2. Removal of hydrocarbons, ammonia and methanol from gas streams (ammonia syn gas treating)
in the air break units of buses, trucks and locomotives.
3. Packed in small bags for packing desiccant for foods, etc
55 gallon air-tight iron drum.
25 kg carton with inner PE bag.
Other packing according to your requirement.