| Customization: | Available |
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| CAS No.: | 12173-28-3 63231-69-6 |
| Formula: | Na2o*Ai2o3*(2.6-3.0)Sio2*(6-7)H2O |
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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 sieve is one of the most consumable molecular sieves used in the industry, its selective adsorption to water is higher than any other molecule. Chemequip 4A molecular sieve adsorbs water, methanol, ethanol, hydrogen sulfide, sulfur dioxide, carbon dioxide, ethylene, propylene and other molecules with diameters not more than 4Å. It's usually used for gas and liquid drying but also for refining and purification of certain gases or liquids such as the production of argon. 4A Molecular Sieve Application Fields
1) Deep drying of gases and liquids, such as air, natural gas, hydrocarbons and refrigerants
2) Production and purification of argon
3) Static drying of electronic components and substances susceptible to moisture deterioration
4) Dehydrating agent in paints, polyesters, dyes and coatings
5) Detergent additives
6) Sewage treatment
7) Water treatment - hard water softener
8) Metallurgical industry - separating agents
| Shape | Bead | Pellet | ||
| Particle Diameter | 1.6-2.5mm | 3.6-4.8mm | 1/16" | 1/8" |
| Granularity (%) | ≥98 | ≥98 | ≥98 | ≥98 |
| Loose Bulk Density (kg/m³) | ≥670 | ≥670 | ≥640 | ≥640 |
| Crush Strength (N) | ≥35 | ≥85 | ≥27 | ≥62 |
| Wear Ratio (%) | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.25 |
| Package Water Content (wt %) | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 |
| Static H2O Absorption (wt %) | ≥21 | ≥21 | ≥21 | ≥21 |
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.
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