CJT231-2024 排水用硬聚氯乙烯 PVC-U 玻璃微珠复合管材法律规范.pdf 1、ICSP4191.140.80gJ 中华人民共和国城镇建设行业标准曰/T231-2024 排 水 用 硬 聚 氯 乙 烯 (PVC-U) 玻 璃 微 珠 复 合 管 材Unplasticizedpolyvinylchloride(PVC-U)andglassmicrospherecompositepipesfordrainage2024-06-26 发布 2024-11-01 实施中华人民共和国建设部发布 CJ/T231-2024 目次前言 ················· ， ····································· 2、···················································· ， · ，·⋯⋯皿1范围 ························· ， ······ ， ·············································································12⋯⋯法 律规范性引用文件 ················································ 】 ···················，·· 3、························⋯⋯13原材料 ························ ， ·················································································14⋯⋯产品分类 ······················ ， ···············································································⋯⋯，25 要求 4、············································································································36⋯⋯试 验方法 ·································，，········，··························· ， ··········· ， ···················...
