Letter 42018

Pretreatment for powder coating on MS sheet [India] 

August 25, 2006

Sir,

Please tell me the detail latest process for Powder Coating Pretreatment Process for M.S. sheet.(thickness 0.5 to 1.5 mm). And please tell me the frequently appeared causes for rejection (Troubleshooting) and remedies.

thanking you,

HRISHIKESH TA
LIGHTING - MUMBAI, MAHARASTRA, INDIA

Hi, Hrishikesh. You need to retain a consultant for this pretreatment, or align yourself with a proprietary supplier who will help you, or at least get hold of a book or two on pretreatment such as Samuel Spring's "Preparation of Metal for Painting " or "Phosphating of Metals" by Rausch & Rauch.

There are numerous approaches to pretreatment ranging from iron phosphate to zinc phosphate to proprietary modified phosphates to zinc plating to electropriming, and each of these has numerous variations. Unfortunately there is no way to say which is most appropriate for your situation without a detailed study. Good luck.

 
Ted Mooney, P.E.
finishing.com Inc. - Brick, NJ

I want to answer or follow-up on this subject publicly (in non-commercial fashion).

 

I want to post a new question or inquiry of my own on a different subject.