国无码精品一区二区三区在线蜜臀,亚洲va乱码一区二区三区,国产午夜精品久久久免费视,久久精品国产情侣

    dry powder

    Our company is the only domestic product which can completely replace imported products in 40 party tons and large scale continuous polyester plant and has been continuously oxidized for two years. It

    1. 產(chǎn)品詳情

    Our company is the only domestic product which can completely replace imported products in 40 party tons and large scale continuous polyester plant and has been continuously oxidized for two years. It has been successfully applied to all dull polyester and achieved satisfactory results.


    Product quality standard

    Serial numberprojectCompanyIndex value
    1Appearance
    White powder
    2TiO?%≥98.5
    3iron contentppm≤50
    4

    Hue

    (SC-80)

    L
    ≥98.0
    a
    ≤0.4
    b
    ≤0.6
    5Water dispersion%≥98.5
    6Water content%≤0.5
    7PH value
    6.5-8.0
    8Burning loss≤0.5
    9Sieving remainder%≤0.01