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CAS No.:12173-28-3

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Basic Information
CAS No.:12173-28-3
ProductName:3A molecular sieve zeolite for natural gas
Synonyms:3A molecular sieve zeolite ,benzene absorbent desiccant molecular sieve 3a,benzene absorbent desiccant molecular sieve 3a
Usage:benzene absorbent desiccant molecular sieve 3a
Other Information
Model 3A
Color Light gray
Nominal pore diameter 3 angstroms
Shape Sphere Pellet
Diameter (mm) 1.7-2.5 (8*12 mesh) 3.0-5.0 (4*8 mesh) 1.6 (1/16 inch) 3.2 (1/8 inch)
Size ratio up to grade (%) ≥98 ≥98 ≥96 ≥96
Bulk density (g/ml) ≥0.70 ≥0.70 ≥0.68 ≥0.68
Wear ratio (%) ≤0.20 ≤0.20 ≤0.40 ≤0.40
Crushing strength (N) ≥35/piece ≥85/piece ≥30/piece ≥50/piece
Static H2O adsorption (%) ≥21 ≥21 ≥21 ≥21
Dynamic capacity (%) ≥20 ≥20 ≥20 ≥20
Ethylene adsorption (‰) ≤3.0 ≤3.0 ≤3.0 ≤3.0
Water content (%) ≤1.5 ≤1.5 ≤1.5 ≤1.5
Typical Chemical Formula 0.4K2O . 0.6Na2O . Al2O3 . 2SiO2 . 4.5 H2O (SiO2 : Al2O3 ≈2)
Typical Application a) Drying of unsaturated hydrocarbons (e.g. ethylene, propylene, butadien)
b) Cracked Gas Drying
c) Drying of natural gas, if COS minimization is essential, or a minimum co-adsorption of hydrocarbons is required.
d) Drying of highly polar compounds, such as methanol and ethanol
e) Drying of liquid alcohol
f) Static, (non-regenerative) dehydration of insulating glass units, whether air filled or gas-filled.
g) Drying of CNG.




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 CAS:  12173-28-3
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Guangdong Xintao Technology Co.,Ltd
12173-28-3 China (Mainland)
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