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topic 8974

PTFE coating



I want to coat PTFE coating on Copper base metal. Here in India this is a new inquiries we receive from our valued customers, who, want to coat PTFE on their copper base metal. Kindly advice if ther is any process or we should use different grade of coating material. At present I have water/solvent base material for coating on Aluminium & s.s.

Awaiting for valued reply.

Trivedi Harshad Mathuradas
Minol Coating Pvt.Ltd. - Surat, Gujarat, India


Non modified PTFE coatings require a high temperature cure around 400 degrees C. Copper will form an oxide at these temperatures and the coating will delaminate. The copper must be isolated from oxygen at the high temperatures. There are several ways this can be done one of which is a thin plating of nickel onto the copper prior to a PTFE applied coating.

Bob Chase
- Union City, California, USA

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