A hard, thin, compact chrome coating with a micronodular surface web has been developed to patronize a wide range of tools and ingredients Known as TDC (thin thick chrome), the coating is applied in a chemical bath by dint of means of a proprietary proces TDC has a hardness of 78 HRC; another coating, known as XADC, features the inclusion of synthetic nano-diamond to the TDC bath, resulting in hardness of 98 HRC This article describes the coatings, including their properties and their applications.
Thin compact chrome
When TDC was first introduced in 1957 the coating provided 72 HRC as-applied. brace ...
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