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Anodizing, colored and white aluminum
Resistance against corrosion Resistance to shocks, heat Electrical resistance Create apparent Riba and FIT Protein better piece Resistant light آقتاب and beams other
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سیاهکاری iron, stainless steel and brass
Factors operation سیاهکاری metals: ۱) resistance زنگزدگی ۲) protein, the better the piece ۳) to at least get خشپذیری level piece
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الکتروپلیت zinc (galvanized), with کروماتهای different
Factors of galvanized pieces: ۱) resistance خشپذیری ۲) مقاو against زنگزدکی ۳) the resistant of the piece against the testing, Salt Spray ۴) create the apparent proper use کروماتها
