Molecular sieves, 4A
Product Detail
1. Product Information
Product Name: Molecular Sieve 4A; 4A Molecular Sieve; Zeolite 4A
Chemical Formula: Na2O • Al2O3 • 2SiO2 • 9/2H2O
Silica-Alumina ratio: SiO2/ Al2O3 ≈ 2
Pore Size: ~4Å
CAS No.: 70955-01
2. Characterizations
|
Type: |
Type A |
Type B |
|
Appearance: |
Powder (spherical) |
Powder (spherical) |
|
Diameter (mesh/mm): |
4-8 / 3.0-5.0 |
8-12 / 1.5-2.5 |
|
Static Water Adsorption (%wt): @RH 50%, 25°C |
≥21 |
≥21 |
|
Loss on Ignition (%wt): @575°C, 1hr |
≤1.50 |
≤1.50 |
|
Bulk Density (g/ml): |
≥0.66 |
≥0.66 |
|
Abrasion (%wt): |
≤0.1 |
≤0.1 |
|
Compressive strength (N): |
≥65 |
≥40 |
|
Granularity (%): |
≥97 |
≥97 |
3. Application Fields
1) Polyester additives
2) Sewage treatment
3) Metallurgical Industry
4) Agriculture: Soil amendments
5) Medicine: silver-loaded zeolite antibacterial agent
6) Petrochemical industry: catalysts, desiccants, adsorbents
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