DIPSOL Fe-470D is designed to obtain an ideal black coating on ferrous metals in a short immersion. It can be applied for precision parts, bolts and nuts, and for the purpose of heat resistance and rust prevention.
The corrosion resistance can be improved by applying oil or lacquer on the treated surface.

ApplicationsAlkaline black oxide for steel
Features●Alkaline type black oxide for steel.
ParametersConcentration 700g/L
Temperature 120-135°C
Time 15-30minutes

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