• <nav id="eeeee"><sup id="eeeee"></sup></nav>
    <nav id="eeeee"></nav>
    <sup id="eeeee"><code id="eeeee"></code></sup><nav id="eeeee"><sup id="eeeee"></sup></nav>
    <nav id="eeeee"></nav>
  • <nav id="eeeee"></nav>
  • 小草社区视频在线观看,性xxxx搡xxxxx搡欧美,亚洲国产精品久久久久秋霞,亚洲精品午夜无码专区,久久精品中文字幕第一页,黑人巨大跨种族video,精品无码国产污污污免费网站,欧美人与动牲交片免费

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

    SERVICE HOTLINE:

    0086-532-66721921

    N-Vinylpyrrolidone

    Product Name:N-Vinlypyrrolidone

    Chemical Description:1-Vinyl-2-pyrrolidinone; NVP

    CAS No.:88-12-0

    Formula Structure:

    Properties: NVP is a clear to yellow liquid,carysallization under 13. It’s easy to hydrolyze and polymerize itself but It can remain as liquid at room temperature for extended periods.Usually,stabilized with NaOH or TMHPO as polymerization inhibitor.

    Applications: NVP  is widely used in adhevise,textiles,UV-coatings,pharmaceuticals and other industries,also it’s used to produce some homopolymers and copolymers which with goods film-forming properties.

    Specifications:

     

    Online Service
    Contact us

    Hot Tel

    0086-532-66721921

    Work Shift

    from Monday to Friday

    QR code
    Service