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  • Molecular Sieve 4a 3 5mm Air Dryer - China

    price: 2.20 Dollar US$


    A kind of alkali metal alumino-silicate, in the sodium form of the Type A crystal structure.

    It could absorb the molecules which critical diameter is not more than 4 angstroms.

    The selective adsorption performance of water is higher than any other molecules.

    It is one of the most used molecular sieve varieties in industry.

    Chemical Molecular Formula:

    Na2O·Al2O3·2Si O2·4.5H2O.

    (SiO2 : Al2O3 ≈2).

    Technical Parameter: Properties Unit Bead Cylinder

    Diameter mm 1.6-2.5 3.0-5.0 1.6 3.2

    mesh/inch 8*12 4*8 1/16” 1/8”

    Bulk density g/ml 0.7±0.02 0.70±0.02 0.68±0.02 0.68±0.02

    Crushing strength N/pce ≥35.0 ≥80.0 ≥30.0 ≥80.0

    Size ratio up to grade wt% ≥98.0 ≥98.0 ≥96.0 ≥96.0

    Static H2O adsorption wt% ≥21.5 ≥21.5 ≥21.5 ≥21.5

    Static CH3OH adsorption wt% ≥15.0 ≥15.0 ≥15.0 ≥15.0

    Package Moisture wt% ≤1.5 ≤1.5 ≤1.5 ≤1.5

    Wear ratio wt% ≤0.2 ≤0.2 ≤0.40 ≤0.40 Application:

    ● Drying and removing of CO2 from natural gas, LPG, air, inert and atmospheric gases, etc.

    ● Drying of pharmaceutical packaging, electronic components and perishable objects.

    ● Dry air

    ● Drying of organic liquids such as refrigerants, LPG, and gasoline.


    800kg super sack

    55gallon(150kg) steel drum

    25kg Carton box/Paper drum

    Company Contact:

    • Phone: 18179910932


    • Email: Email

    Published date: October 27, 2021 - Modified date: October 27, 2021

    • Business Description: Jiangxi OIM Chemical Co., ltd is a professional enterprise, engaged in the field of activated alumina, molecular sieves, silica gel, ceramic balls and various tower packing.

      Products are widely used in petrochemical, industrial gases, PSA VPSA oxygen and nitrogen gas production, electronics, environmental protection and other industries.

      Over the years, OIM Chemical corporate structure has evolved, in order to best meet the demands of an increasingly demanding and complex market, with which OIM Chemical has been able to interface, developing integrated proposals for products and services, characterized by a high degree of of quality and safety.

      This allows us to constantly offer our customers cutting-edge technical and professional solutions, at a fair competitive level, and to qualify ourselves as specialized partners capable of building, with the customers themselves, solid and lasting successful commercial synergies.

      Our company has passed ISO9001: 2015 International Quality Management system certification, and its products are widely sold to more than 120 countries in European, South America, Southeast Asia and the Middle East etc.

      To provide customers with more optimized process solutions, and the companys product quality has been well received by customers at home and abroad.

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