吉祥彩票

  • <tr id='X6MUC3'><strong id='X6MUC3'></strong><small id='X6MUC3'></small><button id='X6MUC3'></button><li id='X6MUC3'><noscript id='X6MUC3'><big id='X6MUC3'></big><dt id='X6MUC3'></dt></noscript></li></tr><ol id='X6MUC3'><option id='X6MUC3'><table id='X6MUC3'><blockquote id='X6MUC3'><tbody id='X6MUC3'></tbody></blockquote></table></option></ol><u id='X6MUC3'></u><kbd id='X6MUC3'><kbd id='X6MUC3'></kbd></kbd>

    <code id='X6MUC3'><strong id='X6MUC3'></strong></code>

    <fieldset id='X6MUC3'></fieldset>
          <span id='X6MUC3'></span>

              <ins id='X6MUC3'></ins>
              <acronym id='X6MUC3'><em id='X6MUC3'></em><td id='X6MUC3'><div id='X6MUC3'></div></td></acronym><address id='X6MUC3'><big id='X6MUC3'><big id='X6MUC3'></big><legend id='X6MUC3'></legend></big></address>

              <i id='X6MUC3'><div id='X6MUC3'><ins id='X6MUC3'></ins></div></i>
              <i id='X6MUC3'></i>
            1. <dl id='X6MUC3'></dl>
              1. <blockquote id='X6MUC3'><q id='X6MUC3'><noscript id='X6MUC3'></noscript><dt id='X6MUC3'></dt></q></blockquote><noframes id='X6MUC3'><i id='X6MUC3'></i>

                我公司研发的PA合金类材料可以达到良好的电磁屏蔽效果

                测试项目单位测试方法改性聚酰胺
                密度g/cm3GB/T10331.15
                流动性g/10minGB/T3682≥2
                收缩率%GB/T155850.8
                拉伸强度MpaGB/T1040≥99
                弯曲强度MpaGB/T9341≥127
                弯曲模量MpaGB/T9341≥5900
                简支梁缺口冲击强度kj/m3GB/T1043≥28
                简支梁缺口冲击强度(-40°C)kj/m3GB/T1043≥28
                燃烧性能
                GB/T2408HB
                电磁屏卐蔽型DBGJB4664-2008≥30Db,屏蔽率95%以上