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2024-01-23
At the end of 2021, the large color coated plate manufacturers represented by Baosteel have published announcements: they will carry out chromium-free switching one after another.
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The fire develops quickly, spreads rapidly. Because the steel structure building space span is big, combustible material is many, once the fire occurs, the fire develops quickly, burns fiercely, is very easy to form a large area fire.
The use of metal sheets as roofing materials has been hundreds of years of history, a large number of metal materials used as roofing materials mainly because of the rapid development of the world's metallurgical industry since the 60's
50mm thick single-sided gypsum rock wool handmade board, double-sided 0.6mm thick color steel plate, gypsum board thickness is 9.5MM, 120kg/m3 rock wool; wall plate keel 0.7 galvanized plate