Even though the process of chromating is a proven one, it is generally preferred to have a chrome free treatment, to reduce the severe pollution hazards caused by chrome. We offer ALUCOAT NC, Chrome-free ZINC-ZIRCONIUM phosphating for aluminium surfaces.
ALUCOAT NC is a chrome-free treatment for Aluminium. It gives zinc-zirconium phosphate coating
As base on Aluminium surfaces for subsequent liquid paint or powder coatings,
· Is made up as a 5% solution;
· Functioning at Room Temperature (25oC)
· Dip duration: 5 to 10 minutes.
· Build up of coating: 2 to 4 g/m2.
As base for subsequent drawing of aluminium components.
· Is made up as a 7 to 10% solution;
· Functioning in the Optimum Temperature range of 50 to 55oC.
· Dip duration: 5 to 10 minutes.Build up of coating: 5 to 7.5 g/m2.