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#1
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Paint chemistry question
I am familiar with the iso's that are in urethane paint, but I am curious if the enamel paints contain them as well.
Also, has anyone sprayed the new water-based paints? I am curious how well those go down. Thanks! |
#2
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Enamel paint, by itself, does not contain isocyanate, but the hardener has it. So, if you just shoot enamel, unhardened, that' s better for you, but not for your car.
Rick
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80 300SD (129k mi) 82 240D stick (193k mi)77 240D auto - stick to be (153k mi) 85 380SL (145k mi) 89 BMW 535i 82 Diesel Rabbit Pickup (374k mi) 91 Jetta IDI Diesel (155k mi) 81 VW Rabbit Convertible Diesel 70 Triumph Spitfire Mk III (63kmi)66 Triumph TR4a IRS (90k mi)67 Ford F-100 (??) |
#3
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Isocyantes aren't usually in single component automotive paints. For various reasons, it is not practical to use single component urethanes.
Single component automotive fininshes are usually acrylics and alkyds--acrylics being the higher quality of the two. Waterborne basecoats do work well when sprayed correctly, but they are fussier and have specific issues. There are plenty of links in the site discussing this.
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___________________________________________ 2010 Toyota matrix '93 500 SEL A bad addiction. Takes all of my cash. '12 Volvo S80 T6 Needed something that wasn't as hard to deal with as my bad addiction '18 Mazda Miata No more boring cars for everyday transport! |
#4
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Sometimes JMK forgets he's talking to us dummies!
1K paints don't have the iso's. 2K paints usually use the iso's in their hardeners. 1K = "one-part" paints you simply mix with a reducer and spray. 2K are paints you mix with a separate hardener PLUS a reducer to spray. 2K paints give a harder, glossier finish and are easiest to spray (in my opinion anyway). Proper mixture is the key for them. 1K paints are the simplest to use but usually require a bit of buffing to give you that "I'm blinded" gleam. |
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