[Shop-talk] powder coating

[w]

On 2/11/2014 5:02 PM, Tim wrote:
> Any one ever heard of "gas out" and it causing the powder to bubble or
> pit? I have to assume that the pitting was caused by the sand blaster
> but since this is the first time I have ever had something powder

I have a DIY Harbor Freight / Columbia Coatings PC set up. Never had 
bubbles. I would speculate if you had a porous substrate like some cast 
aluminums it could put out air or steam at baking temps and mess up the 
finish.

-w