抄取法无石棉纤维垫片材料 Beater addition non﹘asbestos sealing materials  ICS  23.100.60 CCS  Q 69   中华人民共和国国家标准 GB/T 27793—2024 代替 GB/T 27793—2011 2024-11-2 8发布 2025-06-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布 目　　次 前言   ·····································································································   Ⅲ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     分类和标记   ···························································································   1      4.1     分类   ······························································································   1      4.2     标记   ······························································································   2 5     技术要求   ······························································································   2      5.1     材料   ······························································································   2      5.2     外观质量   ·························································································   2      5.3     尺寸偏差   ·························································································   2      5.4     物理机械性能   ····················································································   2 6     试验方法   ······························································································   3      6.1     试样调节   ·························································································   3      6.2     石棉含量的测定   ·················································································   3      6.3     外观检查   ·························································································   3      6.4     尺寸的测定   ······················································································   3      6.5     密度的测定   ······················································································   3      6.6     横向拉伸强度的测定   ·············································································   4      6.7     老化系数的测定   ·················································································   4      6.8     压缩率、回弹率的测定   ··········································································   4      6.9     烧失量的测定   ····················································································   4      6.10     蠕变松弛率的测定   ··············································································   5      6.11     常温挠曲系数的测定   ···········································································   5      6.12     浸渍IRM903油的测定   ··········································································   5      6.13     浸渍ASTM燃料油B的测定   ···································································   5      6.14     浸渍蒸馏水+乙二醇（50∶50）的测定   ························································   5      6.15     氮气泄漏率的测定   ··············································································   6 7     检验规则   ······························································································   6      7.1     检验分类   ·························································································   6      7.2     组批原则   ·························································································   6      7.3     抽样方法   ·························································································   6      7.4     判定规则   ·························································································   7 8     标志、包装、运输和贮存   ············································································   7 GB/T 27793—2024     Ⅰ      8.1     标志