4A Molecular Sieve

The pore size of 4A molecular sieve is 4Ǻ. It is mainly used to adsorb water, methanol, carbon dioxide, ethylene, propylene, does not adsorb any larger molecular than 4Ǻ and often used as desiccant in industrials.

Formula:

Na2O.Al2O3.2.0SiO2.4.5H2O

Technical Parameter:

ITEM UNIT TYPE
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 % ≥98 ≥98 ≥96 ≥96
Bulk Density g/ml ≥0.60 ≥0.60 ≥0.64 ≥0.64
Wear Ratio % ≤0.20 ≤0.25 ≤0.20 ≤0.20
Crushing Strength N ≥30/cm ≥45/cm ≥60/p ≥70/p
Static Adsorption % ≥20.5 ≥20.5 ≥20.5 ≥20.5
Methane adsorption % ≤16 ≥16 ≤16 ≤16
Packing Water % ≤1.5 ≥1.5 ≤1.5 ≤1.5

Typical applications:

  • Deep drying of air, natural gas, alkane and refrigerant.
  • Generation and purification of argon.
  • Static dehydration of electronic element, pharmaceutical and unstable materials.
  • Desiccant for paint, dope and foul etc.

Packing

25 kg. Cartoon drum, 140 kg. Steel drum

Attention:

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