Clear Coat Questio

[Hoosierfarmboy]

Clear coated my paint job and it seemed to dry dull. Color paints were Testors Ford credit Red and Rustoleum Metallic Copper.

Is this normal? Thoughts are to Wet sand tomorrow. Will polishing be a good idea? If so, what brand etc? If you want to PM use rkaelin6861@att.net

http://public.fotki.com/hoosierfarmboy/nazkar-kruzer/img-1584.html Photo taken indoors under incandescent desk lamp.

I used Tamiya TS-13 Clear. I was told this is compstible with most paints & that it's a synthetic laquer.

Humidity was high @ paint time, temp in low 80's.

apologies for leaving off part on info

Edited July 13, 2010 by Hoosierfarmboy

[MikeMc]

You didn't tell what clear you used....The problem sounds like "blushing" caused by high humidity when spraying

[Art Anderson]

Clear coated my paint job and it seemed to dry dull. Color paints were Testors Ford credit Red and Rustoleum Metallic Copper.

Is this normal? Thoughts are to Wet sand tomorrow. Will polishing be a good idea? If so, what brand etc? If you want to PM use rkaelin6861@att.net

http://public.fotki.com/hoosierfarmboy/nazkar-kruzer/img-1584.html Photo taken indoors under incandescent desk lamp.

I used Tamiya TS-13 Clear. I was told this is compstible with most paints & that it's a synthetic laquer.

Humidity was high @ paint time, temp in low 80's.

apologies for leaving off part on info

High humidity and lacquers (nitrocellose, acrylic, synthetic--all of them!) aren't a good combination. Humidity is water vapor in the air, as you surely know, and water can cause lacquers to "skin over" very quickly on the surface exposed to the moisture, leaving a slightly irredescent, but dull finish.

Solutions? Of course, drier ambient air is always good, but if this condition (called blushing) is what you have, all is not lost! No real need to wet-sand blushing, it will polish out with a good quality micro-fine compound, such as Novus, to a high gloss, and you'd swear the blush never happened once this is done.

If you have an airbrush, this is a good time of year to learn to use it, frankly. Being a miniature spray gun, you can control the amount of finish sprayed, which you really can't do with a rattle-can that literally drowns the surface in paint or clear. With rattle can paints, simply decant the stuff into your color jar by spraying it gently into the jar, against the side of that jar so that it doesn't just blow right back in your face, then airbrush away. I find that thinning even rattle can paints slightly with lacquer thinner helps too--it does eliminate virtually all tendency to blush, and I can guarrantee you, I also live in Indiana, the Land of Humid in summer, and have almost always had great results.

Art

[Hoosierfarmboy]

High humidity and lacquers (nitrocellose, acrylic, synthetic--all of them!) aren't a good combination. Humidity is water vapor in the air, as you surely know, and water can cause lacquers to "skin over" very quickly on the surface exposed to the moisture, leaving a slightly irredescent, but dull finish.

Solutions? Of course, drier ambient air is always good, but if this condition (called blushing) is what you have, all is not lost! No real need to wet-sand blushing, it will polish out with a good quality micro-fine compound, such as Novus, to a high gloss, and you'd swear the blush never happened once this is done.

If you have an airbrush, this is a good time of year to learn to use it, frankly. Being a miniature spray gun, you can control the amount of finish sprayed, which you really can't do with a rattle-can that literally drowns the surface in paint or clear. With rattle can paints, simply decant the stuff into your color jar by spraying it gently into the jar, against the side of that jar so that it doesn't just blow right back in your face, then airbrush away. I find that thinning even rattle can paints slightly with lacquer thinner helps too--it does eliminate virtually all tendency to blush, and I can guarrantee you, I also live in Indiana, the Land of Humid in summer, and have almost always had great results.

Art

Success! It sure seems the humidity here was the problem. Gave it a light wet sanding with 3200 grit paper and repainted with clear. Dried nice and glossy! Added 2nd coat and same results. Art, you're right on the humidity nickname for Indiana. Especially here in Southern Indiana close to the Ohio River. Thanks all for your help. Will be posting completed car sometime soon.

Edited July 14, 2010 by Hoosierfarmboy