BASF 4A Molecular Sieve is a synthetic crystalline aluminosilicate with a regular micropore structure.
BASF 4A Molecular Sieve is a widely used adsorbent for many different applications. BASF 4A exhibits high water adsorption capacity at low partial pressures and at temperatures up to 100 °C.
Packaging
216 L (135 kg) air tight steel drums
Polypropylene inliner equipped big bags of 800 kg net

Physical Properties
Beads Size Range, nominal, mm
1.6 – 2.5
2.5 – 5.0
Mesh Range, approx
8 x 12
4 x 8
Bulk Density, compacted, g/L
725 - 795
725 - 795
Attrition, % wt
Max 0.2
Max 0.2
Crush Strength, N/bead
Min 25
Min 50
Moisture Content (as delivered, % wt)
Max 1.0
Max 1.0
Water Adsorption Capacity*, 55% relative humidity, 20 °C, % wt
Min 21.5
Min 21.5