4A MOLECULAR SIEVE
4A Molecular Sieve
NAIKEMolecular Sieve 4A is an alkali alumino 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). NAIKE type 4A molecular sieve material will adsorb most molecules with a kinetic diameter of fewer 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.
Parameters of 4A Molecular Sieve
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Model |
4A |
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Nominal Pore Diameter |
4 angstroms |
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Shape |
Sphere(ball) |
Pellet |
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Diameter |
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Size ratio up to grade (%) |
≥98 |
≥98 |
≥96 |
≥96 |
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Bulk density (g/ml) |
≥0.72 |
≥0.75 |
≥0.66 |
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Wear ratio (%) |
≤0.20 |
≤0.20 |
≤0.20 |
≤0.20 |
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Crushing strength (N) |
≥45/piece |
≥85/piece |
≥30/piece |
≥60/piece |
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Static H2O adsorption (%) |
≥21.5 |
≥21.5 |
≥21.5 |
≥21.5 |
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Water content (%) |
≤1.0 |
≤1.0 |
≤1.0 |
≤1.0 |
Molecular Sieve Type 4AApplications
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Typical Chemical Formula |
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SiO2: Al2O3≈2 |
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Typical Application |
a)Drying and removing of CO2 from natural gas, LPG, air, inert and atmospheric gases, etc. |
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b) Removal of hydrocarbons, ammonia and methanol from gas streams (ammonia syngas treating) |
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c) Special types are used in the air break units of buses, trucks and locomotives. |
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d) Packed in small bags, it may be used simply as a packaging desiccant. |
4A ZeoliteDelivery Terms
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Package: |
Carton box; Carton drum; Steel drum |
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MOQ: |
1 Metric Ton |
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Payment Terms: |
T/T; L/C; Western Union |
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Warranty: |
a) By National Standard HGT 2524-2010 |
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b)Offer lifetime consultation on problems that occurred |
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Container |
20GP |
40GP |
Sample order |
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Quantity |
12MT |
24MT |
<5kg |
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Delivery Time |
5 days |
7 days |
Stock available |
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