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

    Barium Fluoride

    Molecular formula: BaF2
    Molecualr weight: 175.324
    Properties: White cubic crystal; relative' density: 4.83; melting point: 1354℃; soluble in chlorhydric acid, nitric acid, acetic acid and fluohydric acid and slightly in water.
    Usage: Welding flux, optical glass and infrared transmitting film.
    Content: ≥98%
    Impurities:

    HF

    ≤0.15%

    S

    ≤0.1%

    Pb

    ≤0.01%

    P

    ≤0.01%

    Hg

    ≤0.001%

    Packing: 25kg plastic woven bag
    Caution at transportation: inorganic toxicant;
    UN No.: 1564
    specified number of hazardous goods: 83018
    class of risk: 6.1
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    亚洲色 自偷自拍另类
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