| CAS No.: | 12173-28-3 63231-69-6 |
|---|---|
| Formula: | Na2o Al2O3 2.0sio2 4.5H2O |
| EINECS: | 69912-79-4 |
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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
Package
*25kg Carton with inner PE bag.
*55 Gallon steel drum
*Other packing by customer request
Storage
Prevent the molecular sieves from exposing directly to the damping environment and any absorption of water or organic substance before it's used, otherwise it must be regenerated.
All Chemequip molecular sieves can be regenerated by temperature or pressure swing.
Delivery
For small quantity order < 100kg, 10 days after purchased contract is efficient.
For big quantity order > 500kg, 15 days after purchased contract is efficient.
Chemequip New Material Ltd. devotes to provide the optimal custom-made molecular sieves solution to the customers around the world. Its headquarter Chemequip Industries Ltd. located in the Songjiang district, Shanghai of China, has deeply cooperated with an internationally recognized high efficient heat exchange technology supplier for nearly 20 years.
Chemequip New Material Ltd. commits to provide the world market with new chemical material molecular sieves product, it sets up the sales and services offices in Europe and an agent service system in the Middle East, providing the optimal solution for global customers.
Chemequip New Material Ltd. establishes a molecular sieve production base with an annual output of 20,000 tons in the Xuancheng Economic Development Zone, it covers an area of 35 acres with a factory area of 23,000 m2 and an R&D center of 1500 m2. It can provide molecular sieves types includes the 3A, 4A, 5A, 13X and a variety of high-end formulations such as 13X medium silicon and 13X low silicon, and also it can be customer request.
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