silviaz Posted June 28 Share Posted June 28 11 minutes ago, GTSBoy said: More likely from tiny bubbles in the filler/putty. Maybe be less aggressive when mixing it. Perhaps invest in a vacuum chamber to pull the air bubbles out?** **I don't know if this is a thing for body filler. I see hardcore epoxy makers degassing their mixed resin on the regular. Ah ok. I seem to be mixing it like everyone else does so not sure what's happening. Will experiment with it more. Link to comment https://www.sau.com.au/forums/topic/64554-steps-to-diy-sanding-car-back-ready-for-respray/page/7/#findComment-8002306 Share on other sites More sharing options...
GTSBoy Posted June 28 Share Posted June 28 Your other option is to buy a spray can of hi-fill and prime it with some pinholes. See if the primer makes them disappear. If it does, then you can leave it with pinholes of that size and they will go away when the painter takes over. 1 Link to comment https://www.sau.com.au/forums/topic/64554-steps-to-diy-sanding-car-back-ready-for-respray/page/7/#findComment-8002307 Share on other sites More sharing options...
Murray_Calavera Posted June 28 Share Posted June 28 @silviaz first thought is you are folding air into the filler as your mixing the hardener through it, GTS beat me to that. Next thought is, maybe too much hardener was used. Unfortunately there are a lot of variables that can give you pinholes. Maybe consider weighing out the filler/hardener to remove this variable. Link to comment https://www.sau.com.au/forums/topic/64554-steps-to-diy-sanding-car-back-ready-for-respray/page/7/#findComment-8002320 Share on other sites More sharing options...
silviaz Posted June 28 Share Posted June 28 2 hours ago, Murray_Calavera said: @silviaz first thought is you are folding air into the filler as your mixing the hardener through it, GTS beat me to that. Next thought is, maybe too much hardener was used. Unfortunately there are a lot of variables that can give you pinholes. Maybe consider weighing out the filler/hardener to remove this variable. I rewatched some video tutorials of other people doing it, and compared it to mine, I think I might be mixing it faster than the other guys. @GTSBoy when you said aggressively I guess this falls under that. The level of hardener seems consistent, I'll experiment with it more and report back. Link to comment https://www.sau.com.au/forums/topic/64554-steps-to-diy-sanding-car-back-ready-for-respray/page/7/#findComment-8002321 Share on other sites More sharing options...
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