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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

Model

4A

Nominal Pore Diameter

4 angstroms

Shape

Sphere(ball)

Pellet

Diameter

Size ratio up to grade (%)

≥98

≥98

≥96

≥96

Bulk density (g/ml)

≥0.72

≥0.75

≥0.66

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 4AApplications

Typical Chemical Formula

SiO2: Al2O3≈2

Typical Application

a)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 ZeoliteDelivery 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

Container

20GP

40GP

Sample order

Quantity

12MT

24MT

<5kg

Delivery Time

5 days

7 days

Stock available

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