Clear coat

[yamabob]

I've been spraying parts for about ....well many years. Basic stuff with some flame work and number plate area's on race bikes. I've always shot small parts and have not had much problem with the clear. I used for many years the DuPont 7600S . Then I switched to 5 Star Extreme Glamour with pretty good results.
Lately someone suggested Matrix Systems MS-42. On small pieces I have no problem at all. The stuff flows and levels great. I recently started large pieces such as car fascia's and cars. I'm self trained so I have a TON to learn still. This product does not recommend a reducer. What can I do to help it flow better and reduce peel on large pieces. Air is Not an issue as we have a great screw type Kaeser compressor. I use a DeVilbiss gti Millenium with a 13 tip. Any ideas or help. Always appreciated

 

[TAZ]

I'm not too familiar with that clear.
Is this a hi-solids clear? If so, I've sprayed these before. I find these a little harder to lay down.
The one I sprayed years ago was made to spray only 2 coats (no more). If you did not put on the first coat WET, then basically it was very hard to get to lay flat after that.
Check to see if that is in fact a hi-solids clear. If it is, that's probably what you need to do. First coat WET, second coat WET

 

[yamabob]

It is. I've only ever shot with HS clears. Funny you say about the first coat. Despite always hearing about a tack and 2 wet's-I've found the first coat layed wet works best for me. Are the 2.1's easier to spray? DO you know what would be the advantages or disadvantages of a 2.1 versus a 4.2?
By the way-WHen I do small parts with the Matrix-the finish is fantastic. Maybe it's my ability or technique with larger parts.

 

[TAZ]

I once sprayed Sherwin Williams Hi-Solids clear and it was very thick. If you didn't lay on the first coat wet, forget it. That was quite a while ago so they've probably changed the clears since then. I remember that clear having a very weird smell to it to (guess all clears have their own unique smell).

I've always liked the regular clearcoats due to the fact that you come up with an issue like a big chunk of dirt or a fisheye, at least you have a chance to either bury it if it's a fisheye (or baby it to get it out), or if it's a piece of dirt, you can pick it out.

Yea, you'll see that smaller parts are easier to paint since all you have to concentrate on is a smaller area. Doing a car, truck, or even a van takes a little more skill.
:cheers: