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Paint Guns

  • Thread starter Thread starter jlmoulto
  • Start date Start date
and the paint prices suck considering I have to want the 3 color job on my sportbike
Click to expand...

A while back Earlfor mentioned using HobbyPoxy (I think it was) epoxy paint instead of automotive paint as an economical option. It is a 2 part catalyzed paint used for model aircraft and will be as tough as any of the urethanes for our uses. The only issues would be a somewhat limited choice of colors and only pastels (no metallics) available. I may be wrong on the metallics, but I don't recall seeing any when I was flying R/C.

If Earl will join in and confirm this, it would be great.


Mark
 
When I made that post, I had not bought any new Hobby Poxy paints in some time because I had (and still do) a supply of them on hand. With checking at that time due to some having difficulties finding the paints, I found the EPA had acted to have them removed from the market. There are replacement hobby paints for those products, but I have not used them, so cannot comment on suitability for our purposes. An alternative to the high prices of multi part catalyzed automotive paint products is that you can do your paintwork in cheaper one part lacquer. The lacquer will dissolve like nothing though in gasoline. You can spend the money on a good multi part automotive clear coat to seal the lacquer. As long as the clear coat is unbroken, gasoline will have no effect since it cannot get through the clearcoat. That isnt the best approach from a quality and durability standpoint, but where cost control is a must, it is an alternative.

Also, PPG makes a their high grade Concept line, but they also make a less expensive line (MTK) Components for the two systems are different and not interchangable when mixing the paints, but either paint can be applied over the other once it has cured/dried. Both systems have a clear coat and both systems are impervious to gasoline, acids, and most solvents. The MTK line is usually available in pints in standard solid colors.

Dupont makes a high end paint called Imron. There is any color you can imagine available. They also make Centari which is comparable to the PPG MTK product line.

US Paint makes Awlgrip, which is the highest quality I have found. Colors are limited and it is the most expensive. It is also the most durable.
Once cured, it is nearly ceramic hard. The drawback there is it cannot be used on anything that has any flex to it or it will crack.

Also, for detail stripes or small accents, there are many colors available in fingernail polish. Fingernail polish is a single part lacquer, so it is not resistant to gas or solvents, but can be clearcoated with something that is.


Earl

mark m said:
A while back Earlfor mentioned using HobbyPoxy (I think it was) epoxy paint instead of automotive paint as an economical option. It is a 2 part catalyzed paint used for model aircraft and will be as tough as any of the urethanes for our uses. The only issues would be a somewhat limited choice of colors and only pastels (no metallics) available. I may be wrong on the metallics, but I don't recall seeing any when I was flying R/C.

If Earl will join in and confirm this, it would be great.


Mark
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