Quote:
Originally Posted by wrndln
I have been using PPG K36 for my sanding primer so far. It is a little pricey and doesn't seem to build all that well - filling 80 grit sanding scratches. It does sand nice. I was thinking of going to Evercoat FeatherFill after I seal the metal with PPG DPxx. Does this sound OK to do? So far I have stayed strictly with PPG products - DPxx, K36 and Concept for fear of compatibility problems. I would seal the FeatherFill with DPxx before applying the finish coat. If you have done this or know if it is or isn't OK, please post a response.
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I have used the feather fill primer and I really like it. I fills better than any high build primer that I have ever used. It will easily fill 40 grit sand scratches if necessary. It sands much easier than the 2K high build primers that I have used. I block sanded it with sponge sanding blocks with great results. One of the good things about this primer is the catylist is peroxide and it contains NO isosynates. You will need at least a 1.8 tip on the gun. I wouldn't put a sealer over the Feather fill. It is best to keep the build up down. I painted right over it , you can even spray lacquer over it. I havent Known it to lift anything or anything to lift it. I sprayed the bare metal with 2K etching primer, Two thin coats, then applied the feather fill.
I haven't tried the slick sand that is made by the same company. it is more expensive and I think that it is only available in light gray. The feather fill can be had in gray or black. Black primer was best for me because I was painting the truck a dark color. It could take more coats to cover a light primer. Good luck.
The feather fill that I buy from Eastwood has been fresh and good. Not so with what I bought from a store near me. It must have sat on the shelf for years and was impossible to stir.