Phosphating / Manganese Phosphate
Zinc phosphate 401 is suited for the pre-treatment of steels; it produces a grey colour on most materials.
Manganese phosphate 601 is suited for the pre-treatment of iron and produces a black colour on most materials.
All components are finished with an oil protection.
- Def Stan 21-5
- ISO 9717
- BS 12476
We offer a hot and cold black process service that is ideal for steel and iron machine tools. Chemical black process offers a decorative finish which is a reproducible jet black finish on most materials, and a blue / black finish on highly polished surfaces.
The chemically blackened surface is coated with de-watering oil as a part of the process, to prevent corrosion and protect the black surface.
- RoHS compliant