China Full Hard S550gd+Z S550gd+Az S350gd+Az SGLCC ...
Aluminum-zinc steel plate alloy coating consists about 55% aluminum about 43.5% zinc and about 1.5% silicon Compared with traditional galvanized products it has excellent corrotion resistance heat resist-ance and thermal reflecivity etc. Aluminum-zinc plate surface spangle are small and uniform bright colors high surface hardness
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