Why the orange peel disaster?

[Sidney Schwartz]

This one was coming along so nicely, and almost finished. Body color is Tamiya Park Green, which looked great. I decided on a matte finish, so I sprayed on Tamiya flat clear. I sprayed just until it started to settle. Looks awful. I've not had this problem with their glossy clear. I've also used the flat clear on smaller bits without any problems. Any ideas on what caused this? It's so bad I'm going to have to strip it completely and start over.

[slusher]

The park green may have not finished gazing out, or it reacted with the clear.  What clear did you use?

[Rick L]

Is the green enamel and the clear lacquer by chance?

[Chris in Berwyn]

7 hours ago, slusher said:

The park green may have not finished gazing out, or it reacted with the clear.  What clear did you use?

He says Tamiya flat clear.  It sure looks like the green wasn’t Tamiya lacquer - hopefully he can tell us if it was acrylic airbrushed on followed by lacquer clear. 

[Speedpro]

"I sprayed just until it started to settle"

 

Sure looks like it was sprayed on to thick. Always apply mist coats first when using clear lacquer

 

[mr moto]

Using Google to find out what I don't personally know, it looks like Tamiya makes a TS-35 Park Green spray lacquer and also an X-28 Park Green acrylic paint. Same color - big difference in the paint. Although I'd be surprised if Tamiya didn't make their line of paints cross-compatible enough to allow this combination, that could be the problem. Which Tamiya paints did you use?

[Sidney Schwartz]

Tamiya TS-35 and TS-80, both synthetic laquers, so that shouldn't be the problem. Maybe I did spray it on too thick. Looks like I may be able to sand down the clear rather than having to strip everything off. 

 

[Bill Eh?]

12 minutes ago, Sidney Schwartz said:

Tamiya TS-35 and TS-80, both synthetic laquers, so that shouldn't be the problem. Maybe I did spray it on too thick. Looks like I may be able to sand down the clear rather than having to strip everything off. 

 

How long did you wait before spraying the TS-80?

[Can-Con]

Yup, had that happen myself by putting too much clear on at one time. 

It can also happen when you put a flat paint over a hi gloss paint. 

BTW, that's called "crazing", not orange peal. two completely different problems. 

 

Edited February 3, 2023 by Can-Con

[Sidney Schwartz]

43 minutes ago, Bill Eh? said:

How long did you wait before spraying the TS-80?

Couple of days, at least.

 

14 minutes ago, Can-Con said:

Yup, had that happen myself by putting too much clear on at one time. 

It can also happen when you put a flat paint over a hi gloss paint. 

BTW, that's called "crazing", not orange peal. two completely different problems. 

 

So are the Tamiya TS-35 and others in that line considered high gloss paints? 

[Dpate]

Yeah just look at Can-Con pic.  Crazing in the middle and orange peel at the bottom. I can't be of much help on there clears, because i use 2K clearcoat. 

[Sidney Schwartz]

OK, lesson learned. I'll be repainting using acrylic matte craft paint and Krylon acrylic flat clear.