Re: Clear coat or not

Posted by CNKS on January 31, 2006 at 18:04:54 from (204.249.178.138):

In Reply to: Clear coat or not posted by SRA on January 31, 2006 at 08:13:17:

I'm going to give a different point of view. Hardener contains isocyanates. Isocyanates are deadly. They REQUIRE a supplied air system, the cheapest supplied air units are about $500. If you are going to continue painting tractors with hardener I recommend that you get one. Most people on this forum will say you do not need one. Problem is, iso's are cumulative, they stay in your system and sooner or later will make you sick, keep using them and you will likely die. Do a search and you will find a lot of info. As far as mixing, I have not used 2150, as I much prefer acrylic urethane, which must have hardener. The mixing instructions for 2150 will be on the can, I think the ratio is about 8:1 paint to reducer, I think it can be thinned to 25% (can't quite imagine that) if you use hardener the can won't tell you, but it is likely about 4:1:1, don't quote me on that. As noted below, automotive type paints are vastly superior to farm store paint, and even better than CIH 2150, although the "new" formulation of 2150 is better than the old one. Automotive style paints have exact mixing instructions, any error in flow is the painter's fault, not the paints. You don't need to add reducer until it "flows off the stick right". Just mix and paint, quality paints are bulletproof, only the painter is not. I have not used clear coat, to me it is just another 2 or 3 applications to mess up. You may or may not see a difference when you use clear, the shine is more related to your painting skills. With a few exceptions, clear must have hardener. If you use clear you must use hardener start to finish, don't put the color on without hardener, and then use clear with hardener, the reactions are different.

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