Plastic repair..

[ubergeek_aP]

I was painting some old plastic parts for my next project and I noticed a few bumps I went ahead and try to sand them out but it was a no go. They are little nicks in various sizes what would you guys recommend to fill these little gaps?

[ubergeek_aP]

Nobody ever had this problem?

[Tarowah]

The only thing I can think of is Spot puddy that is used for filling in small dimples in bondo, I used to use it in auto shop in high school.


Nearly any auto parts store should have it and its pretty cheap too, might want to grab a tube and see if it will help you out.

[rhino56]

depending on how deep they are you could probably fill them with a few coats of brush on primer with sanding inbetween coats

[ubergeek_aP]

Hmmm they are not that deep so Im going to try that brush on primer that sounds like it could work well in my situation..thanks.

[rhino56]

Hmmm they are not that deep so Im going to try that brush on primer that sounds like it could work well in my situation..thanks.
no problem, i do alot of painting, refinishing, and used to do guitars. thats how i would fill the imperfections in the wood of the guitar bodies before i would laquer or imron them. after a brush on primer and a 400 grit sanding id spray on a primer and give it a 800 grit then a 1000 grit. talk about a perfectly smooth finish.