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 immersion in a boiling alkaline oxidizing salt solution.

 

Product

Application

Working
temp. in °C

G19 / G22

Alkaline cleaner for hot degreasing prior to blackening

 60 - 80

BEIZENTFETTER

For descaling prior to blackening. Has some degreasing properties.

 RT

FERROBLACK® MH

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

140 approx.

FERROBLACK® SPEZIAL

Ideal for blackening silicon steels and cast iron.

140 approx.

FERROBLACK® HL

Particularly suitable for parts with copper coatings and brazed joints.

140 approx.

FERROBLACK® NIF

Non-toxic blackening salt; more suitable for 2-bath processes.

140 approx.

FERROSOL HL

A booster for all blackening bathes either for short-term regeneration or for treatment of complicated workpieces.

 

STREICH-BRÜNIERBEIZE

A fluid product for brushing on or immersion at room temperature. Ideal for repairs and hobby use.

RT

DRS 3

Emulsion for dipping to improve corrosion resistance.

 

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