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Desiccant

  • Molecular sieve desiccant
  • Molecular sieve desiccant
Molecular sieve desiccantMolecular sieve desiccant

Molecular sieve desiccant

4A molecular sieve
The pore size of 4A , adsorbing water, methanol, ethanol, hydrogen sulfide, sulfur dioxide, carbon dioxide, ethylene and propylene. It does not adsorb any molecule (including propane) with diameter greater than 4A. The selective adsorbing performance of 4A  to water is higher than that of any other molecule. It is one of the most widely used molecular sieves in industry.
Molecular formula: Na2O Al2O3 2.0SiO 2 4.5H 2O

Technical Indicators:

Performance

Unit

Technical

Shape

spherical

Temperature

550

Diameter

MM

1.0-2.0

3.0-5.0

Granularity

%

≥96

≥96

Bulk density

g/ml

0.70+0.02

0.68+0.02

Abrasion rate

%

≤0.20

≤0.20

compressive  strength

N

≥35/p

≥80/p

Static water adsorption

%

≥20

≥20

Containing water content

%

≤1.5

≤1.5


Specific applications:
* Deep drying of air, natural gas, alkanes, refrigerants and other gases and liquids.
* Production and purification of argon.
* Static desiccants for pharmaceutical packaging, electronic components and perishable substances.
* As dehydrating agent in paints, fuels and coatings.
* Molecular sieves should be prevented from adsorbing water, organic gases or liquids before use, otherwise they should be regenerated.

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