... , N35M~N50M, N30H~N48H, N30SH~N45SH, N28UH~N35UH, N28EH~N33EH2. Coating and test: Zn, Ni, NiCuNi, epoxy, electrophoresis, etc. Spray test ... off test and thickness test are applied in testing the coating film3. Temperature: The maximum working temperature can be 200 degree ...