Why zinc coatings?
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The biggest consumer of steel in the world is rust!
Your workpieces can be sufficiently protected against corrosion thanks to zinc plating, which applies zinc layers of between 5 and 30 µm thickness, depending on requirements.
The advantages of zinc plating:
- Functional and decorative
- High cathodic corrosion protection
- Economical
- With chromate conversion coatings (containing CrVI) in yellow, olive and black
- With passivation (CrVI-free) in blue or transparent and as thin-film and thick-film passivation
- Optionally with sealers
- High ductility – subsequently workable if the layer is suitably thick
- With the right after-treatment, high resistance to zinc corrosion (white rust)
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Which after-treatment?
The correct after-treatments first of all play a decisive role in the appearance of your zinc-plated workpieces and their resistance to white rust. They, in conjunction with a suitable thickness of zinc plating, ultimately result in the high level of protection against red rust. With the appropriate after-treatment, it is also possible to achieve decorative layers, e.g. silver-coloured (transparent) or black, as well as functional layers, such as ones with defined coefficients of friction.
Our reliable and effective after-treatments:
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Chromate conversion coatings
- Yellow chromated (containing CrVI)
- Olive chromated (containing CrVI)
- Black chromated (containing CrVI)
Passivation
- Yellow passivated (CrVI-free)
- Blue passivated (CrVI-free)
- Thin-film passivated (CrVI-free)
- Thick-film passivated (CrVI-free)
Sealers
- Sealer 300W + WL
- Delta Coll
- JS 500
Lubricant coatings
- Torque ´n´ Tension Fluid (TTF) )
- Gleitmo
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CrVI-free special coatings against galvanic corrosion for fasteners on magnesium components according to VW/Audi TL194!
In our rack plants we coat components up to a size of 3000 x 1500 x 350 mm.
We manufacture according to various standards. These include, among others:
- ATE N 106 61.00
- BMW GS 90010
- Bosch N67F
- DIN 50961
- EN 12329
- EN ISO 4042
- DBL 8451
- GME 00 252
- VDA 233-101
- VDA 235-104
- VW 13750 / TL217
For coating bulk articles, such as bolts, sleeves, etc., we offer the very low-cost and effective method of barrel plating.
Download:  Galvanisch Zink (DE) 468.13 Kb
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