<source id="0yugu"><tr id="0yugu"></tr></source>
<bdo id="0yugu"><strong id="0yugu"></strong></bdo><s id="0yugu"><tfoot id="0yugu"></tfoot></s>
<sup id="0yugu"></sup>
  • 性一交一乱一伦一色一情丿按摩,国产香蕉尹人在线视频你懂的,无码人妻精品一区二区三区夜夜嗨,日本亚洲欧洲另类图片,国产乱人伦偷精品视频,欧洲裸毛bbbbbxxxx,国产麻豆md传媒视频,天堂中文www

    Welcome to Shanghai Yixiang Chemical Co., Ltd technology website, 0086-532-66721921

    SERVICE HOTLINE:

    0086-532-66721921

    PVP Homopolymers- Technical Grade PVP

    Product Name:Polyvinylpyrrolidone

    Chemical Description:Homopolymer of 1-Vinly-2-Pyrrolidone,Polyvinylpyrrolidone

    INCI/CTFA:PVP

    CAS NO.:9003-39-8

    Formula structure:

        Product Properties:Technical grade PVP(PVP K Series) products are existing as powder and water solution form,and being supplied in a wide molecular weight range,easily dissolve in water,alcohol and other organic solvents.They are highly hygroscopicity,excellent film-forming capacity,adhesiveness and chemical stability,none toxicity.

        Applications: Technical grade PVP are being used in Textiles/Fibers,Adhesives,Coatings/paintings,Laundry/Household detergent,Inks,Ceramics and other hi-tech industries.

    Specifications:

    Online Service
    Contact us

    Hot Tel

    0086-532-66721921

    Work Shift

    from Monday to Friday

    QR code
    Service
    主站蜘蛛池模板: 国产成人亚洲精品无码h在线| 香蕉国产| 贵德县| av天天看| 男女性杂交内射妇女bbwxz| 巨茎爆乳无码性色福利| 野花电影免费观看| 尤物视频在线观看| 在线观看的a站| 野花日本hd免费高清版7| 色猫成人网| 噼里啪啦免费观看高清全集| 成全电影免费高清观看| 麻豆一区二区大豆行情| 久久久99精品成人片中文字幕| 莱西市| 真人做人试看120分钟| 五台县| 国内精品久久久久影院日本| 欧美日韩亚洲国产精品| 沙河市| 18禁止午夜福利体验区| 国产白嫩美女在线观看| 天天做天天摸天天爽天天爱| 久久99精品久久久久久hb无码| 国产成年女人毛片80s网站| 平罗县| 亚洲av无码乱码国产麻豆穿越| 欧美亚洲日韩不卡在线在线观看| 看国产黄大片在线观看| 国内露脸互换人妻| 麻豆精产国品一二三产区风险| 年轻人免费观看视频| 国产国产乱老熟女视频网站97| 15gay男同志同性1069| 东方市| 国产亚洲精品久久久久妲己| 韩国三级伦在线观看久| 妇女性内射冈站hdwwwooo| 18+国产精品| 韩国美女视频黄是免费|