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Quick Details

  • Classification: Catalyst
  • CAS No.: 69912-79-4
  • Other Names: Zeolite, Adsorbent, Desiccant
  • MF: 0.70CaO . .30Na2O . Al2O3 . 2.0SiO2 . 4.5H2O
  • EINECS No.: 215-684-8
  • Purity: 100%
  • Place of Origin: Jiangxi, China (Mainland)
  • Application: Molecular Sieve 5A Oxygen Concentrators
  • Brand Name: XINGFENG
  • Model Number: 1-2 mm, (10x18 mesh) 2-3 mm, (8x12 mesh) , 2.5-5 mm, (4x8mesh)
  • ISO 9001:2008: Certificate
  • Shape: sphere; pellet
  • Brand: xingfeng
  • Diameter: 1-2 mm, (10x18 mesh) 2-3 mm, (8x12 mesh) , 2.5-5 mm, (4x8mesh)
  • Size ratio up to grade: ≥98%
  • Bulk Density: ≥0.70g/ml
  • Wear ratio: ≤0.20%
  • Crushing Strength: ≥30/p N
  • Static water adsorption: ≥22%
  • Water content,as shipped: ≤1.5%

Packaging & Delivery

Packaging Details Packed in double plastic bag of 25kg to carton box or carton drum, palletized
Packed in steel drum of 150kg net, palletized for 5A Molecular Sieve
Delivery Time within 3 days

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Zeolite Molecular Sieve 5A Oxygen Concentrators

Product Description

 is an alkali alumino silicate; it is the calcium form of the Type A crystal structure. Type 5A has an effective pore opening of 5 angstroms (0.5 nm). It will adsorb molecules with a kinetic diameter of less than 5 Angstrom and exclude those larger.

It is especially suitable for PSA adsorber applications where it may be used for the separation of normal- and iso- paraffins (C4 to C6 species), in PSA hydrogen purification and in oxygen concentrators.


Typical Chemical Formula
0.70CaO 0.30Na2O Al2O3 2.0SiO2 4.5H2O

SiO2: Al2O3 ≈2


 Technical Parameter



Technical data











Size ratio up to grade






Bulk density






Wear ratio






Crushing strength






Static water adsorption






Water content, as shipped







1) The strong ionic forces of the divalent calcium ion makes it an excellent adsorbent to remove water, CO2, H2S from sour natural gas streams, while minimising COS formation. Light mercaptans are also adsorbed.
2) It is also used for the separation of normal- and iso paraffins. 
3) Production of high purity N2, O2, H2 and inert gases from mixed gas streams.

Molecular sieve Type 5A can be regenerated by either heating in the case of thermal swing processes; or by lowering the pressure in the case of pressure swing processes.
To remove moisture from a 5A molecular sieve, a temperature of 250-300°C is required. A properly regenerated molecular sieve can give moisture dew points below -100°C, or mercaptan or CO2 levels below 2 ppmv.
The outlet concentrations on a pressure swing process will depend on the gas present, and on the conditions of the process.


5A - Zeolites are available in beads of 1-2 mm, (10x18 mesh) 2-3 mm, (8x12 mesh) , 2.5-5 mm, (4x8 mesh) and as powder, and in pellet 1.6”, 3.2”.



To avoid damp and pre-adsorption of organic before running, or must to be reactivated.


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