We
offer a hot process cyanide chemical blacking service ideal
for steel and iron tools.
Overview: This
process offers a decorative finish which is a reproducible
jet black on most materials and a blue/black finish on highly
polished surfaces. This is a relatively cheap finishing process
and is quick to process (the blacking process itself takes
10 minutes).
Tanks: We
offer tank sizes up to 4' x 1' x 1'.
Pretreatment: Components
that are rusted, even mildly will require an acid pickle to
remove rust, scale and or surface discolouration. All items
are cleaned in an alkaline cleaner.
Salt
Creep: Assembled components and components with
deep pockets, blind holes or seams as well as sintered parts
are at risk of a
white bloom forming around critical sections and require
an additional treatment with a neutralising solution.
Oil
Dipping: Components are finished with an oil dip
in either:
- Dewatering
Oil
- Heavy Oil
- Wax
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