ZINC PLATING PROCESS

CHROMATE CONVERSION COATING

PROCESS

OPERATING CONDITIONS

APPLICATION
ZINKON 781

ZINKON 781
NITRIC ACID
pH
TEMPERATURE
TIME
50 – 80 ml/l
AS REQUIRED
1.8 – 2.2
AMBIENT
20 – 60 sec
Clear blue trivalent chromium passivation.
Three times better corrosion resistance as compared
to hexavalent chromium passivations.
ZINKON 782

ZINKON 782
NITRIC ACID
pH
TEMPERATURE
TIME
15 ml/l
4 ml/l
0.8 – 1.2
AMBIENT
10 – 20 sec
Produces yellow iridescent chromate layer
over zinc plating for better corrosion resistance.
Economical and easy to use and maintain.
ZINKON 783

ZINKON 783 A
ZINKON 783 B
pH
TEMPERATURE
TIME
80 ml/l
80 ml/l
1.2 – 2.5
AMBIENT
80 – 120 sec
Produces a uniform jet black coating.
Good corrosion and abrasion resistance.
ZINKON 784

ZINKON 784
TEMPERATURE
TIME
60 – 120 ml/l
AMBIENT
30 – 90 sec
Produces olive green chromate conversion coatings
on chloride zinc deposits.
Stands corrosion resistance of over 200 hrs in salt spray.
ZINKON 785

ZINKON 785
TIME
50 – 80 ml/l
20 – 30 sec
Blue zinc passivation for on zinc coatings for better corrosion resistance.