VP Anodizing’s Hardcoat Anodizing is an engineering coating that provides vastly improved hardness and wear resistance due to its inherent natural hardness (>48 HRc, typically 60-70 HRc) and lubricity. It is an electrochemical process done at refrigerated temperatures to grow a uniformly hard, thick layer of aluminum oxide (which equilivent in hardness to sapphire) on aluminum substrates. Our hardcoat anodizing can also increase both electrical resistance and thermal insulation of machined aluminum parts.

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