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 Fluoroaluminate

    Molecular formula: KALF4
    Molecualr weight: 142.073
    Properties: white or pale gray powder; slightly soluble in water; hydrogen fluoride released in the reaction to water at 730℃ above; dissolved slowly in strong acid to release hydrogen fluoride
    Usage: soldering flux for Aluminium and its alloy; flux in glass and ceramic industries
    Impurities:

    AL

    ≥16%

    SO4

    ≤0.05%

    SiO3

    ≤0.2%

    Fe

    ≤0.01%

    Pb

    ≤0.005%

    H2O

    ≤1.5%

    250mesh

    95% passed

    Melting point: 570°C
    Packing: 25Kg plastic woven bag or fibre drum.
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    亚洲色 自偷自拍另类
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