发布时间:2025-01-20 00:03:36
美缝剂是个统称,所有的美缝产品都叫美缝剂。
美缝剂分为单组份美缝剂和双组份美缝剂。目前单组份美缝剂已经被淘汰,现在最流行的是双组份美缝剂。瓷缝剂就是双组份美缝剂,也叫真瓷胶。瓷缝剂具有防水、防霉、防黑、经久耐用等功能。
三级螺纹钢四级抗震符号咋表示是hrb400还是hrb400e
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