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-   -   WTF paint question ??? (http://www.funinbc.com/forum/showthread.php?t=115883)

Tunabomber 07-03-2012 01:23 AM

WTF paint question ???
 
ok so untill now my rattle can kungfoo has been strong

painted my jeep twicealready in the past and ner had this issue before


i sanded the door a little bit to put a scuff on it and remobe the scratches
then wiped with thinner to clean it up and then just wirped with a damp cloth and let dry for 15 min.

did the first coat no problem

did the second coat ( a bit thicker ) and watched this happen right in front of me :dontknow::dontknow::dontknow::dontknow::dontknow:


only thing i did differnt was uprade to semi gloss rather than flat black




4skin 07-03-2012 01:55 AM

diferent type of paint or brand:dontknow: enamel over tremclad or laquer over enamel
pretty much lifted the old paint
depending on the thinner you used
laquer thinner softens the old paint and could cause this
now the fun starts trying to remove it down to original paint
sanding it will just plug the paper up
try some laquer thinner on a rag let rag sit on it to soften paint and
use a plastic scraper to remove paint do a small area at a time
and wear gloves wouldnt want to mess up your desk jocky hands[f]

StinkFinger 07-03-2012 06:56 AM

Any contact with silicone will do that aswell did your rag or fingers perhaps come into contact with some armorall break fluid ect....

dirka dave 07-03-2012 09:52 AM

Wipe with rubbing alachol. ??

procircuit 07-03-2012 10:30 AM

Quote:

Originally Posted by dirka dave (Post 1660026)
Wipe with rubbing alachol. ??

is this a new product:dontknow: lol

bcmaxx 07-03-2012 12:34 PM

Use grease and wax remover, I use duplicolor. I dont dont rubbing alcohol as it has a lot of water in it

Deggs 07-03-2012 12:50 PM

old and new paints arent compatable happems with oil/latex too. just look in my bathroom ;)

Chody 07-03-2012 12:55 PM

Quote:

Originally Posted by bcmaxx (Post 1660055)
Use grease and wax remover, I use duplicolor. I dont dont rubbing alcohol as it has a lot of water in it

also, let that G&W removal dry for about 30 mins before using a Tack cloth to wipe up dust. then paint. make sure to not mix paint type.

dirka dave 07-03-2012 01:11 PM

%99.8 alcohol dose not have much h2o in it.

rat trap 07-03-2012 01:14 PM

several things can cause that. 1 thing i would guess is a adhesion not sanded good enough should . What grit of paper did you use? My second guess would have to be contamination maybe someone had oily hands or you used the wrong thinner mineral spirits will not work on automotive paint you have to use a the proper thinner. And third would have to be to much catalyst the top is drying before the bottom can and as the gases escape it wrinkle the top layer.

So what you wanna do is wait a few day for a full cure sand the whole area to be painted really well wash with methyl hydrate. let dry. thin paint with proper thinner and then apply a very light coat let fully cure and then re sand entire area and then apply moderately heavy final coat .
If you find any imperfections in final product just wet sand them out.

Good luck

[cheers]

StinkFinger 07-03-2012 01:51 PM

I don't think it's a catalyst or thinner Isue as he stated it came out of a spray bomb

Apathy 07-03-2012 02:13 PM

I get that problem every now and again. it seams to happen when its cold out

Tunabomber 07-03-2012 02:39 PM

was about 16 degrees

going to try a light sand to remove bad spot and then just a water wipe and spray

im thinkin it was the thinner i used to dust the freshly sanded paint



cant remember what paint i used before so i hope bruce aint right cuz i painted the hole jeep that way

Happypants 07-03-2012 02:39 PM

Quote:

Originally Posted by Apathy (Post 1660072)
I get that problem every now and again. it seams to happen when its cold out

same,

skyjacker 07-03-2012 02:52 PM

Just think of it as a verry custom paint job:D


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