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4A Molecular Sieve

Introduction
      Molecular Sieve type 4A (Angstrom) is an alkali alumino silicate, obtained through synthesis of type A zeolite in sodic form. 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). Galaxychem type 4A molecular sieve will adsorb most molecules with a kinetic diameter of less than 4 angstroms and exclude those larger.

Typical application:

        Will adsorb, in sequence of adsorption rate, argon, krypton, xenon, ammonia, carbon monoxide, C2H4, C2H2, CH3OH, C2H5OH, CH3CN2, CS2, CH3CL, CH3Br, and carbon dioxide.

  • Deep drying of air, natural gas, alkane and refrigerant.

  • Generation and purification of argon.

  • Static dehydration of electronic element, pharmaceutical and unstable materials.

  • Desiccant of paint, PU Plastic, dope and fuel etc.

Formula: Al2O32.0SiO24.5H2O

Technical parameter:

Item

Unit

Target

Shape

 

Pellet

Sphere

Diameter

mm

1.5-1.7

3.0-3.3

1.7-2.5

3.0-5.0

Size ratio up to grade

% min

98

98

96

96

Bulk density

g/ml min

0.67~0.75

Wear ratio

% max

0.20

0.25

0.20

0.20

Crushing strength

N min

30/cm

45/cm

60/p

70/p

Static adsorption

% min

20.5

20.5

20.5

20.5

Methane adsorption

% min

16

16

16

16

Packing water

% max

1.5

1.5

1.5

1.5

Regeneration
     Molecular Sieve 4A can be revived for reuse and the required factors for revival are temperature and pressure. To remove the adsorbed moisture and other materials, the revival condition shall be set up considering   the features of target material and processing environment. The general revival temperature of Molecular Sieve 4A is about 300℃ and it should   not surpass 450℃ at maximum.

Package:

  • 25kg carton box. Inner package, vacuumized with aluminum foil.

  • 55 gallon iron drum.

  • As requirement of consumers.

Attention:

Do not unpack the goods until using, avoid of exposure in air for a long time.

Should be stuffed as rapid as possible at filling.

Other products:

3A Molecular Sieve ,  4A Molecular Sieve , 5A Molecular Sieve , 13X Molecular Sieve, IG-3A  Desiccant , 13XACS  desiccant, Refrigerant desiccant, 5A Small Oxy-en rich Desiccant

 

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