Molecular Sieves 4A
Molecular Sieve 4A is a crystalline adsorbent with an approximately 4 Å pore size, designed for efficient removal of moisture from gases and liquids. It is particularly suitable for drying natural gas, petroleum gas, refrigerants, air, and other moisture-sensitive substances.
Molecular Sieve 4A is also used for deep drying in pharmaceutical, electronic, automotive, paint, and coating applications. It can be supplied in pellet or elongated forms and stored in steel drums, paper drums, aluminum foil bags, or customized packaging.
Description
Key Features & Benefits
4 Å Pore Size – Provides selective adsorption of moisture and small molecules.
High Moisture Adsorption – Effective for deep drying of gases and liquids.
Versatile Applications – Suitable for natural gas, refrigerants, pharmaceuticals, and electronics.
Multiple Shapes Available – Available in pellet and elongated forms.
High Mechanical Strength – Designed for reliable handling and industrial use.
Regenerable Material – Can be regenerated when moisture or organic substances are adsorbed.
Customizable Supply – Available with customer-specific specifications and packaging.
Product Specifications
| Specification | Technical Data |
|---|---|
| Product Type | Molecular Sieve 4A |
| Chemical Formula | Na₂O·Al₂O₃·2.0SiO₂·4.5H₂O |
| Pore Size | Approximately 4 Å |
| Shape | Pellet / Elongated |
| Granularity | ≥96% to ≥98% |
| Bulk Density | ≥0.60 g/ml |
| Abrasion | ≥0.20% to ≥0.25% |
| Crush Strength | ≥0.30N to ≥0.70N |
| Static H₂O Adsorption | ≥20.5% |
| Additional Adsorption | ≥1.5% |
| Applications | Natural Gas, Refrigerants, Air Drying, Pharmaceuticals, Electronics, Paints, Coatings and Automotive |
| Packaging | Steel Drum, Paper Drum, Aluminum Foil Bag or Customized Packaging |




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