Foshan Dechenghezhong Chemistry co.,LTD
No,12 Yuyang 2nd Road, Huchong Industrial District, Nanzhuang Town,
Chancheng District, Foshan City, Guangdong, China
Tel:0086-757-82012410 Website:http://dchz.en.alibaba.com
Fax:0086-757-82012430 E-mail:fsdchz@outlook.com
DCHZ-Fe400 Black Oxide Finish for Steel
DCHZ-Fe400 is an alkaline salt and oxidizing agent mixture containing penetrants, catalysts,
activators, rectifiers and wetters which, when dissolved in water and heated, will produce a black oxide (Fe3O4 - magnetite) finish on steel. The oxide finish is normally topcoated and sealed
with one of rust preventive oils, waxes or clear lacquers to enhance the depth of black and impart
corrosion resistance to the finish.
The DCHZ-Fe400 solution is maintained at a temperature of 285°F to blacken a wide range of
carbon steels, alloy steels and hardened tool steels. It will not blacken stainless steel, which
is blackened with Ultra-Blak 407. It will blacken cast iron.
