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  • Silicon Dioxide Raw material powder Silicon Dioxide

    • Silicon Dioxide Raw material powder Silicon Dioxide
    • Silicon Dioxide Raw material powder Silicon Dioxide storehouse
    • Silicon Dioxide Raw material powder Silicon Dioxide quality testing
    • Silicon Dioxide Raw material powder Silicon Dioxide quality testing
    • Silicon Dioxide Raw material powder Silicon Dioxide certificate

    Product Overview:

    Silicon dioxide is an important inorganic compound that is widely used in various fields. Silicon dioxide is used in chemical industry, material science and other fields. Among them, Shandong Hezhan Chemical Co. and Nanjing Wanhe Analytical Instrument Co. offer silicon dioxide products at prices ranging from RMB 4,000 to RMB 5,800. In addition, silica aerogel is also used to 3D print polyimide-silicon oxide hybridized aerogel. However, Ling Wei Technology said that its newly put into production silica aerogel is not involved in fireproof glass for the time being.

    Silicon Dioxide Raw material powder Silicon Dioxide Attributes

    Silicon Dioxide Raw material powder

    CAS:7631-86-9

    MF:O2Si

    Silicon Dioxide

    MW:60.08

    EINECS:231-545-4

    Specification: 99% min Silicon Dioxide powder

    Sample:Silicon Dioxide powder

    Packaging:1kg/bag, 25kg/drum

    Brand: Henrikang

    Appearance: White

    Storage: Cool Dry Place

    Shelf Life: 2 Years

    Test Method: HPLC

    Silicon Dioxide Raw material powder Silicon Dioxide Details

    Silicon Dioxide powder Usage and Synthesis.

    Silicon dioxide has a wide range of applications in rubber and batteries. In rubber, silica can improve the physical and mechanical properties of the compound, reduce hysteresis, and lower rolling resistance without loss of wet slip resistance.

    In batteries, silica can improve the electrochemical properties of batteries, such as mechanical properties, electrical conductivity, elongation at break, cycling performance and life. In addition, silica reduces the crystallization rate of polymer systems, maintains the consistency of the electrolyte in the battery, and reduces dry water failure.

    Silicon Dioxide powder

    Uses of Silicon Dioxide powder.

    It is used as filler for color TV cable, wire casing and rubber transparent bottom. It is also used as thickener, thixotropic agent, antiprecipitant, matting agent, plastic opening agent, liquid drug adsorbent, cosmetic and papermaking filler.

    Used as reinforcing filler of natural rubber and synthetic rubber, filler of synthetic resin, thickener of printing ink, antiprecipitant of pigment in paint, matting agent, soft polishing agent for vehicle and metal, and antisettling agent in emulsifier. It can also be used as a pesticide carrier and a filler for lightweight newsprint.

    About 70% of silica is used as reinforcing filler of natural rubber and synthetic rubber, and the others are used as filler of synthetic resin, thickener of ink, antiprecipitant of pigment in paint, matting agent, soft polishing agent of vehicle and metal, and anti-settling agent in emulsifier.

    It can also be used as pesticide carrier and filler for lightweight newsprint. Due to the advantages of good electrical insulation, low heat generation, light color and non-pollution of products, silica is also widely used in hoses, tapes, heat-resistant gaskets, rubber rollers and medical products.

    As anti-caking agent, it can be used as powder flavor, the maximum use amount is 80g/kg; it can also be used in milk powder, cocoa powder, egg powder, phytolipids powder and instant coffee, the maximum use amount is 15.0g/kg.

    Silicon Dioxide

    Preparation of Silicon Dioxide powder.

    Product method of Bulk Silicon Dioxide powder.

    Hydrochloric acid decomposition method will be 13 ° Bé of water glass solution and 8 ° Bé of sodium chloride aqueous solution for salting, and then 31% of hydrochloric acid (can also be used in sulfuric acid, it is called sulfuric acid decomposition method) decomposition, precipitation of particles of silica gel, rinsing with water, dehydration, drying, crushing, sieving, the production of precipitated silica.

    Carbonization method by the silica sand and soda ash melting at high temperatures, dissolve the melt, pass into the carbon dioxide gas (containing CO230% ~ 35%) for carbonization and neutralization of 6 ~ 8h, washed with water, add sulfuric acid adjusted to Ph value of 6 ~ 8 for the second wash, dehydration, drying to the moisture content of ≤ 6%, crushed to 200 ~ 350 mesh to get the finished product of precipitated silica.

    Rice husk method of rice husk charring under strictly controlled temperature conditions, in order to remove the organic matter in the rice husk, and so that the hydrated silica in the rice husk is not destroyed. After carbonization of rice husk in a certain concentration of sodium carbonate aqueous solution, at a certain temperature at atmospheric pressure soluble cooking, so that the carbonization of rice husk in the dissolution of hydrated silica, the dissolution rate of up to 90%, dissolved hydrated silica by filtration, washing, spray-drying, to get the finished product of precipitated silica.

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