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Thickness problem in alkaline zinc plating

June 24, 2010

Sir, I have alkaline zinc plating (rack) . We give area=24 sq ft
C.D= 30
dip time =15 min
Ampere=1350
(1)zn metal=10 gm/lt
(2)caustic=120 gm/lt

observed thicknes range is 4-6 micron
give suggestions to increase thickness range 5-8 micron

Mr Shankar Sharan Mishra
plating shop employee - Rewari, Haryana, India

June 24, 2010

Hi, Shankar. Plate for 19-1/2 minutes instead of 15. Good luck.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
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