4a molecular sieve
mSORB

4A MOLECULAR SIEVE

Our 4A molecular sieve products are alkali metal aluminosilicates in the spherical form. They are the sodium form of the Type A crystal structure with an effective pore opening of 4Å. Our 4a molecular sieve will adsorb molecules such as oxygen, nitrogen, carbon dioxide and straight chain hydrocarbons. Aromatics and branched chain hydrocarbons will not be adsorbed.

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TYPICAL APPLICATIONS

  • Oxygen Adsorption
  • Nitrogen Adsorption
  • Carbon Dioxide Adsorption
  • Packaging of Pharmaceuticals
  • Packaging of Perishable Chemicals
  • Packaging of Electronics
  • Removing CO2 from Gas Streams
  • Removing CO2 from Air Streams
  • Purification of Various Gas Streams and Liquids
  • Water Scavenger in Paint Systems
  • Water Scavenger in Plastic Systems
  • Commercial Drying of Saturated Hydrocarbons

CHEMICAL FORMULA

Na12[(AlO2)12(SiO2)12] • nH2O

4A MOLECULAR SIEVE PRODUCTS
Product Adsorbent Type Size Form
mSORB™ 4A812B Molecular Sieve 4A 8 x 12 Mesh Beaded
mSORB™ 4A48B Molecular Sieve 4A 4 x 8 Mesh Beaded
mSORB™ 4A48BHC Molecular Sieve 4A 4 x 8 Mesh Beaded
4A MOLECULAR SIEVE SPECIFICATIONS
Property Value Unit
  4A812B 4A48B 4A48BHC  
Bead Size 8 x 12 4 x 8 4 x 8 Mesh
Normal Pore Opening 4 4 4 Angstroms
Equilibrium Water Capacity @ 25°C ≥ 22 ≥ 22 ≥ 21 % Weight
Heat of Adsorption 1800 1800 1800 BTU/lb of H2O
Bulk Density ≥ .70 ≥ .70 .70 ± 0.2 g/ml
≥ 44 ≥ 44 ≥ 44 lb/ft3
Crush Strength ≥ 7 ≥ 18 ≥ 33 lb
≥ 30 ≥ 80 ≥ 146 N
Size Qualification ≥ 97 ≥ 97 ≥ 95 %
Package Moisture ≤ 1.5 ≤ 1.5 ≤ 1.0 % Weight
4A MOLECULAR SIEVE PACKAGING INFORMATION
Drums 150 kg / 330 lb
Super Sacks Fill weight to order specification

HANDLING & STORAGE RECOMMENDATIONS

Store 4A molecular sieve in a dry location to prevent premature water adsorption. Reseal packages after opening to prevent contamination and unintended water adsorption. We recommend that you rotate stock so oldest material is used first.

HEALTH & SAFETY INFORMATION

Health and Safety Information is available on our product MSDS.

pdf mSORB™ Molecular Sieve MSDS
pdf mSORB™ 4A Molecular Sieve Specification Sheet (8 x 12)
pdf mSORB™ 4A Molecular Sieve Specification Sheet (4 x 8)
pdf mSORB™ 4A High Crush Molecular Sieve Specification Sheet (4 x 8)

4A MOLECULAR SIEVE

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