JC/T483-2022《聚硫建筑密封胶》 标准解读  

Analysis about standard JC/T 483-2022"Polysulfide sealant for building"

作　　者：胡慧莹 段林丽 HU Huiying;DUAN Linli(He'nan Building Materials Research and Design Institute Co.Ltd.,Zhengzhou 450002,China;Quality Inspection and Analysis Testing Research Center,He'nan Academy of Sciences,Zhengzhou 450002,China)

机构地区：[1]河南建筑材料研究设计院有限责任公司,河南郑州450002 [2]河南省科学院质量检验与分析测试研究中心,河南郑州450002

出　　处：《新型建筑材料》2023年第6期152-154,共3页New Building Materials

摘　　要：介绍了JC/T 483-2022《聚硫建筑密封胶》标准的修订背景概况、主要修订内容。新版标准增加了高位移能力级别,更新了原标准引用的GB/T 13477系列方法,调整了弹性恢复率项目的技术指标,并重点对新增的28 d浸水后定伸粘结性、低温柔性及拉伸粘结性进行了详细的解析。The paper introduces the background,major revisions of standard JC/T 483-2022"Polysulfide sealant for building".The new version of the standard adds the high movement capability classes,updates the GB/T 13477 series method quoted in the original standard,and adjusts the requirements of the elastic recovery rate.Finally,a detailed analysis was conducted on the newly added fixed elongation adhesion after water immersion for 28 days,low-temperature flexibility,and tensile adhesion.

关 键 词：聚硫建筑密封胶 行业标准 JC/T 483-2022 解读 

分 类 号：TU578[建筑科学—建筑技术科学]