GB/T 27793-2024 抄取法无石棉纤维垫片材料

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
2024-11-28 发布2025-06-01 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 ··