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  • Desiccant Uses Silica Gel - China

    price: contact company for price

    CAS No.: 112926-00-8

    H. S No.: 2811220000

    Molecular Formula: SiO2•nH2O

    Molecular Weight: 60.08

    Melting point: 1625

    Desiccant:Chemical Desiccant


    Silica Gel Function

    1. Mainly used for absorbing moisture, anti-rusting of instruments, gauges and equipment in the enclosed conditions.

    2. After absorbing moisture, it turns from blue to red, visually indicating the relative humidity of the given environments.

    3. When being used with ordinary silica gel or drier, it indicates to which extent the drier absorbs the moisture and judges the relative humidity of a given environment.

    4. It is widely used as silica gel drier for the packing of precision instruments, leathers, shoes, clothes, foodstuffs, medicines and household electric appliances, etc

    Mainly applying field:

    Tea Leaf / Foodstuff /Drug/ Dress / Military /Electron /Leather ware/ Art ware/ Furniture etc

    3. Packing

    Package materialNon-woven fabrics, Grid paper, Composite paper, Tyvek paper /Aihua paper/Wax paper

    PackingBulk packing 25kgs/bag, 25kgs/drum, 150kgs/drum, 800kgs/bag

    Silica Gel sachet1g, 2g, 3G, 4G, 5g, 6g, 10g, 100g, 500g, 1000g, etc.

    4. Specification

    Item Blue gel indicator Discoloring silica gel Blue silica gel


    Capacity, % RH=20%≥ 8.0 ------ -------

    RH=35%≥ 13.0 ------ --------

    RH=50%≥ 20.0 20.0 18.0

    RH=90%≥ ----- ------ 28.0

    Rattler Loss, %≤ 10.0 10.0 10.0

    Quaified size ratio, % ≥ 96 90 90

    Loss on heating, % ≤ 5.0 5.0 5.0

    Color RH=20% Blue or light blue -------

    RH=35% Purple or purplish red -------

    RH=90% Purple


    Company Contact:

    • Phone: +86-371-67986518

    • Address: Dongqing, Zhengzhou, China

    • Email: Email

    Published date: March 4, 2014 -

    • Business Description: ZHENGZHOU WELCOM TECH. CO. LTD, Welcom is a professional manufacturer and exporter of chemicals raw materials , especially Plastic & Paint Chemicals, Water Treatment Chemicals, Rubber auxiliary. Dyestuffs & Dye Intermediates, etc.

      Our main products : PAM , PAC , Activated carbon , Exchange resin , Silica gel , Aluminium Sulphate , ATMP, HEDP, TCCA, Sodium Formate , Barium Chloride, Bakelite powder , Alunimium Dioxide , etc .

      Welcom has always focused on research, development and innovation, has passed ISO 9001:2008 management certification.

      Welcom, Direct Factory Supply give priority to the export oriented economy. To offer the superior products and professional services to customers around the world.

      Welcom efficient marketing team can quote the price within in 24hours, the delivery lead time can be shortened to one week as possible and satisfactory service .

      Currently, Welcom already exported to South America, Europe, Africa , Southeast Asia and other areas and regions.

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