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#1
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Safely remove old paint from plastic.
I have a real, original GM flapper valve assembly for 69 ZL2 hood.
I have owned this part since 1983 when I traded for it. Very good condition. The steel frame is easy to clean up. Sand blast cabinet. However, the original "M" embossed Monsanto flapper is covered in orange and white paint. Yes, it came off a pace car that someone painted without removing the flapper assy. Most of the paint will peel off with a thumbnail, but frankly, I don't want to spend three hours cleaning it. Anything I can soak it it that will not hurt the plastic? I am guessing it is abs, but who knows.
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Don't believe everything you read on the internet ... Ben Franklin |
#2
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Re: Safely remove old paint from plastic.
I personally would use plastic media at low pressure. A soak in power purple/castrol super clean would work to. See some of NJSteve's posts for the power purple insight.
Jason |
#3
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Re: Safely remove old paint from plastic.
agree, then a nice coat of SEM
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Eddie M MBTMF 68 COPO Camaro 9737 non-converted YENKO 69 YENKO SC Camaro, Hugger Orange - born with engine! |
#4
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Re: Safely remove old paint from plastic.
I had some of my interior underdash plastics in my 70GTX soda [powder] blasted with great effect. The plastics were painted in 2pak and all was removed without damaging the grain in any way. As Jason said, the guy used lower pressure, it took all of 20 mins. The plastics are not repop'd in FK5 Orange.I was more than a little paranoid about using caustic or oven products. With the soda blast they turned out really nice, good as new- literally! Dash pad,arm rests and console next!..Yes they painted all the orig FK5 pieces to "freshen-up" the interior.. DOH!!
cheers Dave Oh me, oh my! Reinstalled after blasting= noice!
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MadMax: You wanna get outta here...you talk to me! |
#5
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Re: Safely remove old paint from plastic.
I wouldn't be blasting anything. Easyoff will remove the paint and not harm the plastics.
DL
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1968 Buick Conv Factory triple Black 1069 Buick GS Stage 1 1970 GS455 Stage 1 4-speed |
#6
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Re: Safely remove old paint from plastic.
Agree with the Easyoff method.Especially the bio degradeable stuff.
You can control how deep you want to go by how gradually long you let it sit,then rinse off with water. |
#7
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Re: Safely remove old paint from plastic.
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: SuperNovaSS</div><div class="ubbcode-body">I personally would use plastic media at low pressure. A soak in power purple/castrol super clean would work to. See some of NJSteve's posts for the power purple insight.
Jason </div></div> Yes, the Purple Stuff degreaser will wash that overspray away in a matter of minutes. It doesn't hurt the plastic either. It is what all the plastic model guys use to remove old paint. It breaks the bond between the paint and the plastic surface and the paint just falls off in flakes. It is better than Easyoff oven cleaner as it does not have any propellants that can craze the plastic. |
#8
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Re: Safely remove old paint from plastic.
Lynn, I'm a painter by trade. I don't normally take paint off of plastics but there is a product called GOOF OFF. If you have some take a lint free rag and do a test spot in an inconspicuous place first before doing the rest of the plastic. DO NOT soak the part. May take some elbow grease but it should work.
SAL
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I currently own a 1969 Camaro SS350. Although the original drivetrain is long gone, this 4/speed car has a March '69 HC coded block with #041 heads. The transmission is an M20 Muncie #660 case and the rearend is a BS coded 12 bolt posi. Built in Van Nuys. |
#9
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Re: Safely remove old paint from plastic.
Brake fluid works great also and it cleans up easy too
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Rich Straub raiv 69 judge, ra3 70 judge, 71 judge,74 SD trans am,71 cudas, 67 189 Corvette roadster, Quicksilver 68 HURST z-10 396 camaro, 69 HEMIBEE |
#10
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Re: Safely remove old paint from plastic.
DOT-3 Brake fluid and take your time.
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69 Los Z11 68 SS/RS 396/325 68 Los Z28 |
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