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Prepainted steel sheet is coated with organic layer,
which provides higher anti-corrosion property and a
longer lifespan than that of galvanized steel sheets.
The base metals for prepainted steel sheet consist of
cold-rolled, HDG electro-galvanized and hot-dip Alu-zinc
coated. The finish coats of prepainted steel sheets can
be classified into groups as follows: polyester, silicon
modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.
The production process has evolved from
http://www.tangrongsteel.com
Soft Hardness PPGL
