Our current chemical product range includes over 300 products around the processes of degreasing, pickling, black oxidising, phosphating, corrosion protection and colourants for stainless steel, brass, copper, nickel silver and die-cast zinc. We develop, produce and market our chemical products around the world and profit from the know-how we have collected over the decades.
Degreasing
DEWE Brünofix GmbH "Alkalit" products:
Depending on the application
From gentle cleaning agents to highly alkaline concentrated degreasing agents
Easy handling
Preparation and supplement possible with just one product
Flexible
Hot and cold processes, powder or liquid form
Dependent on the product, derusting and activating at higher concentrations
Demulsifying
Suitable for use with ultrasound
Also suitable for non-ferrous metals
Pickling
DEWE Brünofix GmbH "Rostalit" products:
Based on hydrochloric acid, sulphuric acid, phosphoric acid and mixed pickling fluids
Complete pickling agents, i.e. the products already contain surfactants and inhibitors
Note: Inhibitors can also be purchased separately.
Black oxidation salts
DEWE Brünofix GmbH "Brün" products:
For 1, 2 or 3 bath treatment methods
All black oxidation salts contain a highly-active long-term spray protection
Universal product for a broad application
Special products for special applications:
Hardened and high-alloy steels
Products for the weapons industry
Cast materials
Stainless steels
Phosphating
DEWE Brünofix GmbH "Phosphata" products:
Zinc, manganese and zinc calcium phosphating agents for use in immersion processes
Layer thickness can be specifically controlled by adding our special accelerating solution to the phosphating bath for zinc and zinc calcium phosphating agents
Pre-activation agents for zinc, zinc calcium and manganese phosphating agents to influence layer strength and layer structure
Colouration methods
"Cold black oxidation": DEWE Brünofix GmbH "Cold colouration" products
Black colouration for cast and iron materials
Application at ambient temperature
Low plant engineering outlay
Colouration of brass and copper: DEWE Brünofix GmbH "Mekupa" products
Brown or black colouration
Cold or hot processes
Blackening of die-cast zinc: DEWE Brünofix GmbH "Zanova" products
Black and brown colouration of nickel silver: DEWE Brünofix GmbH "Neusilber" products
Post-treatments
Emulsions: DEWE Brünofix GmbH "Emulsin" products
Matt to slightly shiny surfaces, dependent on the product
