摘要
介绍了一种高位移能力硅酮耐候密封胶,它特别适用于建筑采光顶、高层和超高层幕墙等接缝形变较大处的耐候防水密封。该材料不仅具有优良的粘结性能,且最大拉伸强度伸长率可达400%,位移能力满足ASTM C920标准50级的要求,高于现行的国家标准,同时还具有优异的耐候、耐水、耐紫外线等性能。
This article introduces the high movement silicone weatherproof sealant, which is specially effective for weatherproof and waterproof applications, including lighting roofs and curtain walls of high-rise and super high-rise buildings. This material is excellent in adhesion and has extension up to 400%, The movement capability can reach class 50 according to ASTM C920, exceeding the current national standard. Besides, it is also excellent in weatherability, water and UV resistance.
出处
《中国建筑防水》
2007年第3期19-21,共3页
China Building Waterproofing
关键词
位移能力
硅酮耐候密封胶
建筑采光顶
movement capability
silicone weatherproof sealant
lighting roof