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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
GB-T 27793-2024 抄取法无石棉纤维垫片材料
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