填料商城 PackingMall4A Molecular SieveMolecular Sieve type 4A is an alkali alumina silicate; it is the sodium form of the Type A crystal structure. 4A molecular sieve has an effective pore opening of about 4 angstroms (0.4nm). 4A molecular sieve will adsorb most molecules with a kinetic diameter of less than 4 angstroms and exclude those larger. Such adsorb-able molecules include simple gas molecules such as oxygen, nitrogen, carbon dioxide and straight chain hydrocarbons. Branched chain hydrocarbons and aromatics are excluded.
Model
4A
Color
Light gray
Nominal pore diameter
4 angstroms
Shape
Sphere
Diameter (mm)
1.7-2.5
3.0-5.0
Size ratio up to grade (%)
≥98
≥98
Bulk density (g/ml)
≥0.70
≥0.70
Wear ratio (%)
≤0.20
≤0.20
Crushing strength (N)
≥35/piece
≥85/piece
Static H2O adsorption (%)
≥21.5
≥21.5
Static methanol adsorption(%)
≥15
≥15
Water content (%)
≤1.5
≤1.5
Typical Chemical Formula
Na2O . Al2O3 . 2SiO2 . 4.5 H2O
(SiO2 : Al2O3 ≈2)AttentionTo avoid damp and pre-adsorption of organic before running, or must to be reactivated.Warrantya)By National Standard HGT 2524-2010Offer lifetime consultation on problems occurredSize1.6-2.5mm and 3-5mm is common size, if you require 2-3mm,4-6mm,5-7mm, please contact customer servicemPackageBesides carton box,carton drum, paper bag, super sack and steel drum for option30KG/Carton box 24Box/Pallet 720KG/Pallet35KG/Carton drum 18Drum/Pallet 630KG/Pallet150KG/Steel drum 4Drum/Pallet 600KG/Pallet
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