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Author Topic: Plastics Sanding  (Read 175 times)

Offline 88250r fl

Plastics Sanding
« on: May 29, 2020, 01:57:13 AM »
So I did a really big mistake that i regret, today I finished polishing up my Clarke dessert tank, and I hit it with a buffing wheel, and it had a really great shine, I want to do that with my plastics but I have sanded them 2x, can I just wire wool the clear coat off, go through with a 3000 grit sand paper, and then hit with a buffing wheel, or are they already too brittle and I'm past the point of no return?

Offline Hawaiiysr

Re: Plastics Sanding
« Reply #1 on: May 29, 2020, 01:40:55 PM »
I would start in small area first. work little by little. you can always sand off but you cant all on once its gone

Offline 88250r fl

Re: Plastics Sanding
« Reply #2 on: May 29, 2020, 02:41:22 PM »
So it's okay for me to take off the coating, I just have to be really careful?

Offline havinnoj

Re: Plastics Sanding
« Reply #3 on: May 29, 2020, 02:56:08 PM »
What plastics do you have that have clear coat?  Did someone spray actual clear over them?

Offline 88250r fl

Re: Plastics Sanding
« Reply #4 on: May 29, 2020, 09:42:53 PM »
It's my front and back, the rear is full bore, and the front is Maier, it's called lacquer clear coat, and I put about 3 coats on

Offline 2ndmoto

Re: Plastics Sanding
« Reply #5 on: May 29, 2020, 09:44:47 PM »
Should be able to take clear off with sanding. Start with a light grit. If it is taking a long time, go heavier. Might be some chemical stripper you can use. I would investigate though, some chemicals might have ill effects on plastics. Fading, color change, make them brittle or melt.

Offline 88250r fl

Re: Plastics Sanding
« Reply #6 on: May 30, 2020, 07:42:28 PM »
Well I've wet sanded them 2 times, once with 220 and 320, I realized that was not high enough grit, and then I used 320, 400, 800, 1000, 1500, 2000, 3000, and 500 grit sandpaper

Offline 2ndmoto

Re: Plastics Sanding
« Reply #7 on: May 30, 2020, 10:14:26 PM »
Is the clear coming off?

Offline 88250r fl

Re: Plastics Sanding
« Reply #8 on: May 30, 2020, 10:16:16 PM »
Yeah, I just had to go all the way down to 220, then went to 1500, I know the jump is very drastic, but It works, and the buffing wheel makes it very shiny and smooth

Offline Hawaiiysr

Re: Plastics Sanding
« Reply #9 on: May 31, 2020, 01:45:03 PM »
Well let's see this progress lol

 

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