中文字幕乱码视频22,亚洲香蕉午夜视频,黑人巨鞭大战洋妞视频,青青青青久久国产免

<b id="cho9o"></b>
          深圳信息港

          fpm是什么材料_FPM是什么材料

          2023-02-10 19:46:17 來源:互聯(lián)網(wǎng)


          (資料圖片僅供參考)

          1、The Difference between FPM, FKM and Viton?The terms FPM, FKM and Viton? very often cause confusion and lead to incorrect interpretations. All of these designations actually stand for one single base material:fluoro rubber. FPM is the international abbreviation according to DIN/ISO, whereas FKM nis the short form for the fluoroelastomer category according to the American standard ASTM. Viton? is the registered trade mark of DuPont Performance Elastomers. Zrunek uses the designation FPM for all of its fluoro-elastomer materials.。

          本文就為大家分享到這里,希望小伙伴們會喜歡。

          關(guān)鍵詞: 小伙伴們

          熱門推薦