<em id="4igh2"></em>

    <button id="4igh2"><object id="4igh2"></object></button>
    <button id="4igh2"><object id="4igh2"></object></button>

  1. <em id="4igh2"></em><dd id="4igh2"><track id="4igh2"></track></dd>
    <rp id="4igh2"></rp><em id="4igh2"></em>

    <rp id="4igh2"><acronym id="4igh2"></acronym></rp>

    <button id="4igh2"><acronym id="4igh2"></acronym></button>
    <em id="4igh2"></em>

      Welcome to SPLENDID RUBBER PRODUCTS(SHEN ZHEN)CO.,LTD!
      Chinese | English
      Hot Line:
      0755-28395982
      Your Position: Home > News > FAQ

      O type ring hardness measurement?

      Source: SPLENDID RUBBER PRODUCTS(SHEN ZHEN)CO.,LTD Click: Pubdate: 09/26, 2016 15:28:14
      The O type ring hardness has the following items, which are the experimental instrument, the sample, the experimental procedure and the experimental result.
      Test equipment - this test on the micro hardness tester, hardness tester should meet the GB/T6032-1985 "hardness of vulcanized rubber (30-85IRHI) micro test method"
      sample
      (1) the inner diameter of the standard sample is 14mm + 0.17mm. The cross section diameter is 2.65mm + 0.09mm, the sample is 3
      (2) the section diameter is more than 6mm or more than 30mm in diameter the O-ring, can cut the fragments were measured, compared the results with the standard cannot
      Test procedure: according to the GB/T 6032 test procedure
      The test results indicated, measurement results for 3, the number of rounding digits
      Keywords: type,ring,hardness,measurement
      Home About Us Products Product Type Material Equipment News Contact Us Stock
      三级黄影片大全性爱视频 - 视频 - 在线观看 - 影视资讯 - 品尚网