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HR Blackening Process Overview by Syarifah is a document available to read on EtoBox.

What is HR Blackening Process Overview about?

The process involves degreasing, acid cleaning, blackening the metal in a bath of the agent heated to 130-140°C, rinsing and drying. Proper control of dipping time, temperature and chemical concentration is required. The blackening agent is an alkaline powder that generates heat when mixed with water.

Author

Syarifah

Language

EN