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Type 4A

Molecular Sieves Type 4A


Molecular Sieves type 4A are alkali alumino-silicate.  They are the sodium form of the Type A crystal structures with an effective pore opening of 4 angstroms.


bulletDouble - Glazing Industry
bulletDrying of Olefin, Jet Fuel, Kerosene, Alkylation Feed, Hexane, Benzene, Ethylene, Propylene, Methanol, Ethanol, and Isopropanol.
bulletdrying of Hydrogen Rich Gas, Hydrocracker Gas and Natural Gas.
bulletNatural Gas H2S and CO2 Removal.
bulletDrying of fluorocarbons for Refrigeration Systems.

General Properties

Form in which supplied:  Beads
Mean Particle Diameters 4 x 8     (4 mm)
8 x 12   (2 mm)
Nominal Pore Size 4 Angstroms
Bulk Density 46 - 47 Lbs/Ft3
Average Crushing Strength Under Increasing Pressure (Lb) 4 x 8 mesh  - - - - - - 18
8 x 12 mesh - - - - - - 9
Equilibrium Water Capacity (Theoretical) 24%  wt.
Water Content (As Shipped) 1.5% wt. (max.)
Heat of Adsorption (Max) 1,800 Btu/lb H2O
Specific Heat (Approx) 0.23Btu/lb/0F
Recommended Temp. of Regeneration (0F) 400 - 600


Type 4A Molecular Sieves are delivered in drums containing 60 lbs, 150 lbs, and 300 lbs net of product.