Blackening

blackening

Blackening produces a uniform deep-black layer on components made from ferrous materials which gives them a decorative appearance. It is performed by im-mersion in a boiling alkaline oxidizing salt solution.

Salts for blackening pre- and post-treatment products

 

Product

Application

Working
temp. in °C

G19 / G22

Alkaline cleaner for hot degreasing prior to blackening

 60 - 80

BEIZENTFETTER

For descaling and partial degreasing prior to blackening

 RT

FERROBLACK® MH

Blackening salt containing special additives for a wide range of application.

140 approx.

FERROBLACK® HL

Especially suitable for blackening of brazed joints and copper-coated parts

140 approx.

STREICH-BRÜNIERBEIZE

A fluid product for brushing on or immersion at room tem-perature; ideal for repairs

RT