3A Molecular Sieve

3A molecular sieve is a sodium alumino silicate, with pore size of about 3Å (angstroms) in its crystal structure, thus named 3A molecular sieve. This pore structure selectively adsorbs molecules with a diameter smaller than 3Å, such as water molecules. It is suitable for drying gases and liquids, as well as for dehydration of hydrocarbons.

Product parameters

PerformanceTechnical Specifications
Diameter (mm)1.7-2.5 / 3.0-5.01.5-1.7 / 3.0-3.3
Granularity (%)≥96≥98
Bulk density (g/ml)≥0.6≥0.60
Wear rate (%)≤0.2≤0.20
Compression strength (N/pc)≥40≥40
Static water adsorption (%)≥20≥20
Packaging water content (%)≤1.5≤1.5

Product Application:

  • Ethanol drying and dehydration
  • Drying of natural gas and methane gas
  • Deep drying of petroleum cracking gas, ethylene, and propylene
  • Drying of unsaturated hydrocarbons
  • Air drying
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