September 21, 2010
Birchwood Casey offers the scratch-resistant LUMICLAD® finish. The 30-min. process develops a coating thickness of 0.000060 in. with a smooth, clean surface that is electrically conductive and adherent to the aluminum substrate.
The black finish is suitable for precision-machined components with critical dimensions, or for mating surfaces that require break-in lubricity and galling resistance. It has a uniform thickness that will not close down hole diameters or change critical part dimensions.
The coating's inherent lubricity makes it suitable for sliding contacts, such as piston/cylinder assemblies and piston ring grooves. In addition, it is electrically conductive and works well on assemblies requiring a chassis ground.
The patent-pending process delivers a smooth satin black finish with a slightly porous crystal structure that absorbs an optional topcoat, such as clear polymer, light oil, or dry-to-touch sealant. The resulting finish is suitable for aluminum tooling and fixturing devices, sliding assemblies, electronic subframes, and decorative surfaces.