・Time to occurrence of red rust in salt spray test(SST : JIS Z2371)
ZAM® has better resistance to red rust than hot dip galvanized steel sheet (Paintite B) and zinc-5% aluminum alloy coated. The level of its corrosion resistance rivals that of 55% aluminum-zinc alloy coated (Galvastar).
（2）Corrosion resistance on cut end
Presented below are the results of an investigation of long-term corrosion resistance on cut end. ZAM® shows better red-rust resistance (durability) on cut end than any other coated steel sheet.
（3）Appearances of processed parts in a salt spray test (SST)
（4）Appearances of processed parts after outdoor exposure test
ZAM® shows excellent corrosion resistance even in processed parts.
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