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

    Potassium Fluoroborate

    Molecular formula: KBF4
    Molecualr weight: 125.90
    Properties: Whitegranule crystal, slightly dissolved in water, hot alcohol and ethanol, not dissolved in alkali solutions; decomposed by strong acidto be Boron Trifluoride; codissolved with carbonate of alkali metals to be fluoride and borate;melting point 530℃
    Specifications: (refer to the standard of business Q/HG 12-039-85, Shanghai)
    Content: ≥98%
    Impurities:

    Chloride(Cl)

    ≤0.1%

    Sulfate(SO4)

    ≤0.01%

    Iron(Fe)

    ≤0.03%

    Moisture

    ≤0.05%

    Lead(Pb)

    ≤0.01%

    Calcium(Ca)

    ≤0.05%

    Magnesium(Mg)

    ≤0.05%

    Silica(as SiO2)

    ≤0.3%

    Granularity+60mesh: 5%max;+200mesh;50%min.
    300mesh: 15%max
    Usage: analytical reagent, fusing agent, in manufacture of Boron Trifluoride, mould material for casting AI and Mg, in electrochemical and Chemical experiments.
    Package: 25kg composite bag or P.E bag
    Gaution at transportation: poisonous, must be kept from moisture.
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    亚洲色 自偷自拍另类
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