Mechanical Properties:

The Elamet® coatings are highly ductile and allow for the same mechanical deformations as the plastic housing-enclosure itself. Cracking or delamination does not occur, as the mechanical properties of the plastic elasticity and impact strength remain unaltered. Most thermoplastic materials can be coated with the Elamet® process. Like all technical coatings, the condition and cleanliness of the substrate surface determine the achievable quality.

Aluminum:

Apart from silver and copper, aluminum is one of the elements having the highest conductivity. Silver cannot be chosen because its high price makes it impractical for most applications. In the case of copper, oxidation takes place uninterruptedly, so that considerable corrosion problems arise within a short time. After being vaporized, aluminum in contact with the oxygen in the air forms a stable oxide layer on its surface which is less than 200 Å thick. The layer, which does not interfere with proper electrical contact, affords good protection against corrosion. [No changes in electrical resistance have been recorded after a 120-hour alternating cycle humidity test (5 cycles) in accordance with DIN 50017.]