快三app

  • <tr id='DMh2zR'><strong id='DMh2zR'></strong><small id='DMh2zR'></small><button id='DMh2zR'></button><li id='DMh2zR'><noscript id='DMh2zR'><big id='DMh2zR'></big><dt id='DMh2zR'></dt></noscript></li></tr><ol id='DMh2zR'><option id='DMh2zR'><table id='DMh2zR'><blockquote id='DMh2zR'><tbody id='DMh2zR'></tbody></blockquote></table></option></ol><u id='DMh2zR'></u><kbd id='DMh2zR'><kbd id='DMh2zR'></kbd></kbd>

    <code id='DMh2zR'><strong id='DMh2zR'></strong></code>

    <fieldset id='DMh2zR'></fieldset>
          <span id='DMh2zR'></span>

              <ins id='DMh2zR'></ins>
              <acronym id='DMh2zR'><em id='DMh2zR'></em><td id='DMh2zR'><div id='DMh2zR'></div></td></acronym><address id='DMh2zR'><big id='DMh2zR'><big id='DMh2zR'></big><legend id='DMh2zR'></legend></big></address>

              <i id='DMh2zR'><div id='DMh2zR'><ins id='DMh2zR'></ins></div></i>
              <i id='DMh2zR'></i>
            1. <dl id='DMh2zR'></dl>
              1. <blockquote id='DMh2zR'><q id='DMh2zR'><noscript id='DMh2zR'></noscript><dt id='DMh2zR'></dt></q></blockquote><noframes id='DMh2zR'><i id='DMh2zR'></i>

                德国威瑞◢德地暖管—阻氧型

                image

                地暖管(阻氧型)

                1.阻氧特色

                陶氏化学PE-RT II型料

                三层结构,壁厚均匀,氧气渗透率小于0.1g/m3 .d.40'C 耐热耐ζ压耐腐蚀,抗蠕变性能高

                性能稳定,寿命可达50年之久

                image

                2.结构描述---五♂层共挤技术

                最外层: EVOH抗渗氧层

                第二层:粘合剂层

                第内层: PE-RT层


                分享到:

                产品底部关联