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4A Molecular Sieve

4A Molecular Sieve

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4A Molecular Sieve

NAIKE Molecular 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

Nominal Pore Diameter4 angstroms
Size ratio up to grade (%)≥98≥98≥96≥96
Bulk density (g/ml)≥0.72≥0.75≥0.660.66
Wear ratio (%)≤0.20≤0.20≤0.20≤0.20
Crushing strength (N)≥45/piece≥85/piece≥30/piece≥60/piece
Static H2O adsorption (%)≥21.5≥21.5≥21.5≥21.5
Water content (%)≤1.0≤1.0≤1.0≤1.0

Molecular Sieve Type 4A Applications

Typical Chemical FormulaNa2O. Al2O3. 2SiO2. 4.5 H2O
SiO2: Al2O3≈2
Typical Applicationa)Drying and removing of CO2 from natural gas, LPG, air, inert and atmospheric gases, etc.
b) Removal of hydrocarbons, ammonia and methanol from gas streams (ammonia syngas treating)
c) Special types are used in the air break units of buses, trucks and locomotives.
d) Packed in small bags, it may be used simply as a packaging desiccant.

4A Zeolite Delivery Terms

Package:Carton box; Carton drum; Steel drum
MOQ:1 Metric Ton
Payment Terms:T/T; L/C; Western Union
Warranty:a) By National Standard HGT 2524-2010
b)Offer lifetime consultation on problems that occurred

Container20GP40GPSample order
Delivery Time5 days7 daysStock available

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