Saturday, September 26, 2009

[MW:3324] Painting

Dear Guys!!!!!!!
 
The project which I am involved following the paint systems as per client spec follows:-
 
Inorganic Zinc(75-100 micron) as a primer
High Build Epoxy(100-150 micron) as a Intermediate
High Solid Aliphatic Polyurethane(40-100 micron) as a finish
 
Total Dft between (215-350 micron)
 
After the complete curing of the finish coat visually I observed tiny pinholes like appearance or fish eye only inspector eye can find them.
 
Please give me the suggestion where the problem from? this appear in almost all the painted works which applied many different days, different paint batch followed by airlesspray method.
 
 
 
 

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[MW:34866] Presentation for WPS ,PQR AND WPQ as per ASME Sec IX in power point

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