<p id="n3trd"></p>

    <meter id="n3trd"><big id="n3trd"><i id="n3trd"></i></big></meter>

    <noframes id="n3trd"><sub id="n3trd"></sub>
    <nobr id="n3trd"></nobr>
      <listing id="n3trd"><font id="n3trd"><menuitem id="n3trd"></menuitem></font></listing>

        PU

        PU

        產品詳情

        Polyurethane is the abbreviation of polyurethane. Its English name is polyurethane, which is a kind of polymer material. Polyurethane is an emerging organic polymer material, known as the "fifth largest plastic", and is widely used in many areas of the national economy because of its excellent properties. Product applications include light industry, chemicals, electronics, textiles, medical, construction, building materials, automotive, national defense, aerospace, aviation, etc.

        Polyurethane sealant has many excellent characteristics, including: (1) wide adjustable range of performance and strong adaptability (2) good abrasion resistance; (3) high mechanical strength; (4) good bonding performance; (5) good elasticity , Has excellent resilience, can be used for dynamic seams; (6) good low temperature flexibility; (7) good weather resistance, service life up to 15-20 years; (8) good oil resistance; (9) biological aging resistance; (10) The price is moderate.

        Title
        精品偷拍一区二区三区_精品人妻系列无码人妻网_偷偷碰人妻无码视频_日韩 亚洲一区二