| Customization: | Available |
|---|---|
| CAS No.: | 12173-28-3 63231-69-6 |
| Formula: | Na2o Al2O3 2.0sio2 4.5H2O |
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Zeolite molecular sieves have the structure and characteristics of crystals, the surface is a solid skeleton, and the internal holes have the function of adsorbing molecules. There are pores connected to each other, and molecules pass through the pores channels. Due to the crystalline nature of the pores, the pore size distribution of molecular sieves is very uniform. Molecular sieves selectively adsorb molecules according to the size of the holes in their crystal, that is, they adsorb molecules of a certain size and repel molecules of larger substances, so they are figuratively called "molecular sieves."
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
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