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PVD coating has decorative and functional.
Advantage of decorative is to make aesthetics colors, like golden, rose gold, blue, gray, black, rainbow, purple and even green. So we know PVD decorative coating is to make our products(watch, sheet, furniture, jewelry, etc.) looks beautiful to achieve decorative purpose. The other factor is, PVD decorative coating film thickness range from 0.3um to 1um, that makes products longer using life.
On the other hand, PVD functional coating gives high hardness, low friction coefficient(smooth) and also longer using life. Thickness range from 3-5um. It is usually used in drill tools, mould, milling cutter, etc.
Contact Person: Mr. Johnie Lee