轮胎气门嘴试验方法 第2部分:胶座气门嘴试验方法 Test method for tyre valves— Part 2：Rubber base valves test method    ICS  83.160.01 CCS  G 41   中华人民共和国国家标准 GB/T 9766.2—2024 代替 GB/T 9766.2—2016 2024-09-2 9发布 2025-04-0 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 引言   ·····································································································   Ⅳ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     试验设备、仪器仪表   ·················································································   1 5     外观检验   ······························································································   1 6     喉部直径和圆锥面位置及1号、3号、4号、5C号芯腔圆锥孔角度测量   ····························   1 7     外螺纹的中径、大径与内螺纹的中径、小径及深度尺寸测量   ········································   2 8     密封性试验   ···························································································   2 9     橡胶与金属的粘着强度试验   ··········································································   2      9.1     试样状态调节及制备   ·············································································   2      9.2     试验程序   ·························································································   4 10     附胶率的测定   ·······················································································   6 11     胶座边缘厚度的测量   ················································································   6 GB/T 9766.2—2024     Ⅰ