To achieve dark browning.
DARKEN COPPER TO A DARKER BROWN
Components must be free from grease
Water wash to obtain a wetting condition
Immerse in Blackfast 183 until copper reaches required colour. Dilution 8 parts water to 2 parts Blackfast 183. Average dwell time one minute.
Dry components – methods available:
ii) oven dry
iii) hot air
Relieve components if a contrasting effect is required – methods available:
i) rotary vibrating machine
ii) typhoon barrel
iii) manual clean with abrasive paper/cloth
iv) polish using a rotary bench polishing machine
Lacquer finish if required
View complete technical information on how to effectively apply the various relevant solutions for your blacking production line.
Information for the safe handling of both Supplied (Concentrated) and Working (Diluted) Solutions.
In each of the guides on this page, you’ll find testing processes based on proven tests for checking and adjusting the strength of our solutions
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