How long does galvanized steel roofing sheet last? Its service life is 30-50 years. Here we offer tips to prolong the life expectancy and how to choose suitable roofing panels for your projects.
Learn moreThe full form of GI sheet is galvanized iron sheet. Wanzhi Steel offers both hot-dipped and electro-galvanized steel sheets. Click here for more information about its definition, types, advantages, and uses.
Learn moreHot dipped galvanized steel is made by immersing the metal into zinc molten at 450°C to form a tough zinc coating. It has excellent corrosion resistance and a shiny surface.
Learn moreIt is necessary to clean the galvanized steel sheet before painting. This process includes degreasing, washing, surface adjustment (chemical conversion treatment), washing again, passivating, and drying. Keep reading for more details!
Learn morePPGL sheet stands for pre-painted galvalume steel sheet, which uses Al-Zn coating steel as substrate. It is of excellent resistance to corrosion and heat.
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