自来水笔及其笔尖 Fountain pens and nibs  ICS  97.180 CCS  Y 50   中华人民共和国国家标准 GB/T 26717—2024 代替 GB/T 26717—2011 2024-07-2 4发布 2025-02-0 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   ··································································································   1 5     要求   ··································································································   1 6     试验方法   ······························································································   3      6.1     试验条件和材料   ·················································································   3      6.2     外观试验   ·························································································   3      6.3     初写性能试验   ····················································································   3      6.4     竖向滴漏试验   ····················································································   4      6.5     镀层耐久性试验   ·················································································   4      6.6     镀层抗蚀性试验   ·················································································   5      6.7     吸水量/储水量试验   ··············································································   6      6.8     书写性能试验   ····················································································   6      6.9     间歇书写试验   ····················································································   7      6.10     抗漏性试验   ·····················································································   7      6.11     金属笔夹弹性试验   ··············································································   8      6.12     耐冲击性试验   ···················································································   8      6.13     笔套拉力试验   ···················································································   8      6.14     铱粒缝隙宽度试验   ··············································································   9      6.15     笔尖磨耗度、线迹宽度和铱粒牢固度试验   ·····················································   9      6.16     笔尖含金量（纯度）试验   ······································································   9      6.17     可迁移元素含量、邻苯二甲酸酯增塑剂含量和笔套安全试验   ··································   9 7     检验规则   ······························································································   9      7.1     检验分类   ·························································································   9      7.2     型式检验   ·························································································   9      7.3     出厂检验   ························································································   10 8     标志、包装、运输、贮存   ···········································································   11      8.1     标志   ·····························································································   11      8.2     包装   ·····························································································   11      8.3     运输   ·····························································································   11      8.4     贮存   ·····························································································   11 附录A （资料性）    线迹宽度推荐值   ··································································   12 GB/T 26717—2024     Ⅰ 附录B （规范性）    试验用墨水   ·······························································