CAS No.: | 12173-28-3 63231-69-6 |
---|---|
Formula: | Na2o Al2O3 2.0sio2 4.5H2O |
EINECS: | 69912-79-4 |
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4A molecular sieves can adsorb molecules with a diameter of not more than 4A, such as water, CH3OH, hydrogen sulfide,
carbon dioxide, ethylene, C3H6, etc., and are mainly used for drying LNG and a mixture of gases and liquids.
Properties | Unit | Technical data | ||||
Shape | Spherical | Cylindrical | ||||
Diameter | mm | 1.7~2.5 | 3.0~5.0 | 5.0~8.0 | 1/16'' | 1/8'' |
Granularity | % | ≥98 | ≥98 | ≥98 | ≥98 | ≥98 |
Bulk Density | g/ml | ≥0.72 | ≥0.71 | ≥0.70 | ≥0.66 | ≥0.64 |
Abrasion | % | ≤0.20 | ≤0.20 | ≤0.20 | ≤0.20 | ≤0.20 |
Crush Strength | N | ≥40 | ≥85 | ≥150 | ≥35 | ≥85 |
Deformation Coefficient | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.3 | |
Static H2O Absorption | % | ≥21 | ≥21 | ≥21 | ≥21 | ≥21 |
Static CH3OH Adsorption | % | ≥14 | ≥14 | ≥14 | ≥14 | ≥14 |
Moisture | % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
4A Molecular Sieve Application Fields
1. Deep drying of gases and liquids such as air, LNG, alkanes, refrigerants, etc.
2. The production and purification of Ar, the static drying of electronic components, pharmaceutical packaging and moisture-prone substances.
3. As a dehydrating agent in paints, dyes, and coatings material
4. Super adsorbent for suction dryer or cold dryer