new material
4A molecular sieve powder is a finely processed desiccant material designed for efficient moisture control in industrial applications. Featuring a uniform microporous structure, it selectively adsorbs water molecules while preventing the uptake of larger molecules, ensuring superior drying performance and chemical stability. This material is widely used in coatings, adhesives, insulating glass production, and fine chemical synthesis, delivering reliable moisture adsorption for continuous industrial processing.
Product Overview
4A molecular sieve powder is a synthetic powder that exhibits excellent adsorption, drying, and catalytic properties. It is widely used across various industrial fields. Known for its superior moisture absorption capabilities, it is ideal for removing moisture from air or liquids and can also effectively adsorb gases such as CO₂ and H₂S. This product is suitable for use in the production of polymers like polyurethane, where it removes moisture and other impurities without altering the physical or chemical properties of the product. The powder form of 4A molecular sieve can also serve as a catalyst support or as a desiccant in the production of insulating glass composite sealant.
Key Features
- Efficient Adsorption of Moisture and Impurities: It has excellent moisture-absorbing ability, effectively removing moisture and other impurities that can affect product quality.
- Strong Selective Adsorption: Capable of selectively adsorbing gases like CO₂ and H₂S without interfering with the other properties of the product.
- Strong Chemical Stability: It does not alter the physical or chemical properties of the treated material, making it suitable for precision manufacturing or production processes.
- Versatile Applications: Besides drying and gas adsorption, it can also be used as a catalyst support and as a desiccant in insulating glass composite sealant.
- Customizable Particle Size: Flexible particle size options based on specific application needs, catering to various industrial requirements.
Applications
- Polyurethane and Other Polymer Production: Used during the production process to adsorb moisture and impurities, ensuring product quality.
- Gas Adsorption: Adsorbs gases such as CO₂ and H₂S during production processes to maintain the stability and performance of the product.
- Catalyst Support: Used as a catalyst support in industries like petrochemical, catalytic cracking, and other chemical processes.
- Desiccant for Insulating Glass Composite Sealants: Employed in insulating glass production to keep the sealant dry, maintaining the integrity of the glass seal.
- Coating Production: Used in coating manufacturing to adsorb gases and impurities, ensuring the final product's quality and consistency.
| Parameter Name | Unit | 3A Molecular Sieve | 4A Molecular Sieve | 5A Molecular Sieve | 13X Molecular Sieve |
| Chemical Formula | K7.2Na4.8[(AlO2)12(SiO2)12]m H2O | NaO.Al2O3.SiO2.4.5H2O | Ca4.5Na3[(AlO2)12(SiO2)12].m H2O | NaO.Al2O3.2.5SiO2.6.2H2O | |
| Color & Shape | White, Powder | White, Powder | White, Powder | White, Powder | |
| Crystallinity | % | ~100% | ~100% | ~100% | ~100% |
| Water Adsorption | % | ≥25 | ≥27 | ≥28 | ≥32 |
| CO2 Adsorption | % | — | ≥22.5 | ≥22.5 | — |
| Loss on Ignition | % | ≤22 | ≤22 | ≤23 | ≤24 |
| pH (5%) | ≤11 | ≤11.5 | ≤10.5 | ≤11.5 | |
| Cl- Content | % | ≤0.2 | — | ≤0.2 | — |
| K2O Content | % | ≥13 | — | — | — |
| K2O/Al2O3 Ratio | % | ≥40 | — | — | — |
| CaO Content | % | — | — | ≥13.5 | — |
| CaO/Al2O3 Ratio | % | — | — | ≥70 | — |
| Bulk Density | g/ml | 0.5 | 0.4 | 0.6 | 0.4 |
| Application | Used for drying ethylene, propylene, ethanol | Used for dehumidification in oil & gas fields | Used for air purification, oxygen-enriched air production | Used for air purification and gas-liquid separation |
