亚洲色 自偷自拍另类

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    Welcome to the official website of Changshu Xinhua Chemical Co., Ltd.!

    Changshu Xinhua chemical co., ltd.

    常熟市新華化工有限公司

    Changshu Xinhua chemical co., ltd.

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    · Have a scientific enterprise management system · Is a high-tech enterprise in Jiangsu Province and Changshu Polymer New Material Industry Base

    Ammonium Fluorosilicate

    Molecular formula: (NH4)2·SiF6
    Molecualr weight: 178.14
    Properties: Colorless crystle powder, soluble in water and alcohol. It has α and β two configuration, α is isometric system, β is triclinic system, stable in air, but when the β configuration is heated for a long time, its own crystle system break, then converted to α configuration powder. The two states can be soluble in water and ethanol, not soluble in propanol.
    Usage: anti-moth agent, disinfectant for wine industry, glass etchant, anti-moth agent for textile, also used for light-metal casting, electroplating, used in artificial cryolite and producing ammonium chlorate etc.
    Content: 98%
    Impurities:

    (SO4)

    ≤0.2%

    (H2O)

    ≤0.6%

    Water insoluble matter

    ≤0.2%

    Iron (Fe)

    ≤0.005%

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    亚洲色 自偷自拍另类
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