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

    Magnesium Fluoride

    Molecular formula: MgF2
    Molecualr weight: 62.31
    Properties: Colorless crystal of tetragonal system or powder; soluble in nitric acid, slightly in dilute acid and hardly in water and alcohol.
    Usage: in manufacture of ceramics, glass and flux in smelting Magnesium and Aluminium, mirror in optical instruments and coating of filter and soldering.
    Content: ≥98% (measured against igniting under high temperature)
    Impurities:

    Na

    ≤0.3%

    Ca

    ≤0.7%

    SiO2

    ≤1.0%

    SO4

    ≤0.2%

    H2O

    ≤2%

    Fe

    ≤0.05%

    Pb

    ≤0.02%

    Packing: 25kg plastic woven bag
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    亚洲色 自偷自拍另类
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