Molecular Sieves 4A (CAS 70955-01-0) is sodium-form A-type zeolite adsorbent with 4Å pore size. It adsorbs water and small polar molecules below 0.4 nm, featuring high adsorption capacity, high crush strength and low dust for industrial drying and purification. TNJ Chemical is the key manufacturer and exporter since from 2001 in China. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To find more, please contact sales@tnjchem.com
Product Information
Chemical Formula: Na₂O·Al₂O₃·2SiO₂·4.5H₂O
Pore Size: 4 Å (0.4 nm)Available Forms: Sphere, Pellet
Available Sizes: Sphere 4×8mesh, 8×12mesh; Pellet 1/16”, 1/8”
Chemphysical Properties
Appearance Off-white / light grey solid bead or pellet
Tapped Bulk Density ≥0.68 g/ml
Pore Opening 0.4 nm
Regeneration Method Thermal activation
Quality Specification
| Item | Specification |
|---|---|
| Appearance | Off-white / light grey sphere or pellet |
| Static Water Adsorption (25℃, RH75%) | ≥21.5 wt% |
| Tapped Bulk Density | ≥0.68 g/ml |
| Loss on Ignition (575℃, 3hr) | ≤1.5 wt% |
| Attrition Loss | ≤0.2 wt% |
| Available Size | Sphere: 4×8mesh, 8×12mesh; Pellet: 1/16”, 1/8” |
Use & Application
Deep dehydration of natural gas, LPG, compressed air, inert gas and refrigerants
Remove CO₂, methanol, ammonia and H₂S from gas streams
Argon purification
Static desiccant for pharma, electronics and food packaging
Drying and purification of organic solvents and hydrocarbons
Packing, Delivery & Storage
30kg carton lined with PE inner bag; 150kg sealed steel drum. Custom packing is acceptable.Keep packages tightly sealed. Store in cool, dry warehouse.
Avoid exposure to humid air. The product can be regenerated by heating for recycling use.
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