Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Get Ready to Topcoat or Seal first
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Old 03-27-2012, 11:51 AM
dr.strangelove dr.strangelove is offline
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Thank you for the writeup, I'll try to answer your questions the best I can...

What kind of high build primer are you using?
ProForm 2K Urethane Primer Surfacer PF 656C

Are you mixing it according to directions?
The first application I used it as high build, the second time I added reducer as per the manufacturers instructions to use as a sealer

What temperature are you spraying at?
-When I sprayed it was about 20 C / 68 F

Is it spraying too dry?
-Yes, even when I used reducer with it.

What gun and tip do you have?
-1.7mm

Are you waiting between coats?
-It went on so thick I only laid one coat.

It is not a good idea to add more reducer to get it to flow. This can lead to a too thick build and solvent popping.
-I'm not sure that I added too much. the first time I sprayed I didn't add any and the surface was not smooth after spraying. Also, it takes a lot to sand down to a surface that is flat (not pitted).
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