pliant granite
[PETG] I've been taught to always wash the topmost layer right after sanding it, before the final primer goes on with soap and water to get oils off, but which other steps would this help, or possibly do harm in?
Currently my idea of what I should do is
Sand a lot > wash it with soap > filler primer > sand smoother > soap and repeat until smooth enough > sand and soap > last layer of the primer then spray paint > clear coat
Have I missed anything or will I do anything unnecessary?
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left depot
Okay the steps are all fine and all (maybe a little overkill) but I wouldn’t recommend washing with soap and water I would recommend an alcohol and water solution which you spray on and wipe off
Make sure it is all dry before applying the primer
With my technique to smoothing props I like to only do one layer of filler primer total but if you are just getting started you should be good with those steps
pliant granite
Isopropyl and water in like a 50-50 mix?
Also how do you make sure it gets smooth if you only do one primer run, or do you use non-filler primer after?
It's a little confusing with this being my first time thanks to not being able to find precisely the brands and things most videos talk about and I can't be 100% the local I find here in Sweden is the same kind of primer.
I tried on a test piece with something I found called spray putty which yielded incredible smooth sanding results really fast, while just the 'plastic primer' I found of another brand barely did anything no matter how much I sprayed, which I then assume is a paint primer only. But it gets a little confusing when many English videos just say 'primer'
left depot
Yeah so try to get a 91% alcohol with a 70 - 30 ratio of alcohol to water
left depot
Isopropyl and water in like a 50-50 mix?
Also how do you make sure it gets smoo...
I generally do a lot more sanding of the bare plastic than a lot of people here is my process: 80 grit, 180 grit, 220 grit, spot putty imperfections, 320 grit, clean, 3 coats of filler primer then 600 grit, clean, paint, clear
pliant granite
Oooo, so you can sand the filler primer with a very high grit, then paint on it directly without another thin layer over? For some reason I had the impression you couldn't paint after sanding... no idea why.
That was one of my main question marks too, so I'm glad I learned that
