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Product range
Hot dip galvanizing (hdg)
Pre- and post-
treatment hot
dip galvanizing
Product range (summary) Products for pretreatment prior to hot dip galvanizing
Alkaline cleaners
Ferroclean 7136/1 powdery, strongly alkaline and emulsifying cleaner for iron and steel
substrates; distinguished by especially high grease absorption and high
yield; for use by immersion
Ferroclean 7135/1 powdery, strongly alkaline de-emulsifying cleaner for iron and steel
surfaces; suitable for plants with oil separation; for use by immersion
with extended retention times. Grease and oil will be continuously
separated on the top of the bath solution
Acid cleaners
Alfideox 7502 liquid, acid cleaner; improved degreasing properties by highly effective
tensides and a special acid mixture
Acid degreasing additives
Ferrosid 7501/1 for use in combination with hydrochloric acid as an emulsifying
etching and degreasing for iron and steel surfaces; special wetting
components will support the cleaning on metal surfaces very
effective; liquid product for use by immersion
Ferrosid 7505/1 similar properties like Ferrosid 7501/1 but de-emulsifying; suitable
for plants with oil separation; liquid product
Inhibitors for hydrochloric acid etchings
Ferropas 7578 highly efficient etching inhibitor for hydrochloric acid etchings; reduces
the drag in rate of iron and the consumption rate of acid very effective
in order to reach extended retention times
Products for the post-treatment of hdg substrates
Alkaline cleaners
Alficlean 158 weakly emulsifying and alkaline degreasing, especially for use in
spraying plants; degreasing properties can be improved by
Korrekturlösung 108 and Alfisid 8
Acid cleaners
Alfideox 74 –
Alfisid 14
fluoride containing 2-component cleaner; suitable for spraying
plants; weakly emulsifying; if evaporators are installed Alfideox 82
should be used instead
Alfideox 74 –
Alfisid 16/3
Alfideox 84
same product performance but modified for immersion
application (emulsifying); if evaporators are installed
Alfideox 82 should be used instead
acid etching free of fluorides; with low etching rate on zinc;
suitable for spray application and for immersion plants; can be
combined with Alfisid - tensides
Chromating products for corrosion protection
Alfipas 725 yellow chromating
Alfipas 731 -
Activator 701
two component green chromating
No-rinse products for corrosion protection
Alficoat 770 –
Alficoat 771
polymer containing two component no-rinse chromating for
alumininium, steel and hdg substrates
Alfipas 7816 ENVIROX „SG“ – process; a new chrome free sol-gel process,
also suitable for steel and aluminium substrates; applicable by
spraying and by immersion
Our offer to solve your problem
Since more than 40 years Alufinish has guaranteed high competence in the surface treatment
of metals. In the last few years, cleaning agents have been developed and continuously
improved, especially for tasks in hot-dip galvanizing. These cleaners comply with wishes and
requirements of the individual plants in all respects. Environmental aspects are of special
importance to us. All tenside combinations in our cleaning agents fulfil the latest regulatory
requirements with respect to biodegradability and general environmental compatibility (EU
regulation on detergents).
Furthermore, we offer the following services:
analysis service
advice on technological problems in the area of pretreatment
advice in the area of disposal problems
advice on effective recycling methods and required plant technology (e.g. retardation
plants for mild steel-etchings and special separators for de-oiling and coarse cleaning
of etching solutions)
Please contact our field service for advice on your specific requirements.
Version 08/2017