I have read so many conflicting/different opinions on hardener, and brands to use and not use with JD classic paint that it has me completely confused. I have used Sherwin Williams paints and had not problems, but was advised to use strictly JD paint for what I am doing (4230). My question is can you use AIC (sherwin) AIH50 hardener (acrylic enamel) with JD classic paint? Some say yes some say no, some say use only JD hardener, some say don't use hardener at all, some say NAPA works fine. It sounds like whatever works works. But doing this once is enough. Just painting small things and have SW hardener. JD REN3001 is not readily available and very expensive. Experience would be appreciated.
- Thread starter msondeno
- Start date
Stephen Newell
Well-known Member
I tried to find out what is in John Deere paint and their SDS website was unavailable. Assuming John Deere paint is an alkyd enamel you couldn't add a hardener made for acrylic enamel in it. You could use a hardener sold by places like Tractor Supply. Those are
formulated for oil based paints. It will make the finish harder and glossier.
I would be skeptical anyone giving advise you should strictly use one brand or another. There are a lot of products out there from different manufacturers that will give you the same results.
formulated for oil based paints. It will make the finish harder and glossier.
I would be skeptical anyone giving advise you should strictly use one brand or another. There are a lot of products out there from different manufacturers that will give you the same results.
Well that is the problem in a nutshell. I know enough about painting to be dangerous, but do know enough to not mix kinds and types from the old days of just enamel and lacquer. I have an idea it would be best to use all of JD's material knowing how they formulate things. After all the work involved I don't want to have to redo it. There stuff is just so costly anymore. Thank you for your input.
jd man wis
Member
So if you were to just mix one cup gun with paint. About how much hardener wold you put in. Thanks
I agree with that, that is why I have the SW hardener etc. I painted an IH tractor with it and good results. The only problem I have found, and it seems to be with most brands, is the colors usually aren't a match. My IH tractor is beautiful but it isn't the "tomato red" of the original IH. It is more of a lipstick red. I knew right away it wasn't the right color but when you already have a $1000 worth of paint and have half mixed and ready to paint, you paint. I've had the same with JD, Cat, and Gehl. So have decided to use OEM dealer paints for the right color matches. Thanks for the input.
I know, I used to do the same thing. But with all the new paint formulas I have been told they don't all mix chemically to produce the hardened effect and will sometimes cause non-drying, separation, etc. The main reason for my question. Napa has Synthol which is supposed to work well with JD paint but it is way more expensive than JD's. I guess the JD paint is a synthetic enamel and acrylic enamel hardener may or may not work with it. And, I don't know the difference between the two.
Stephen Newell
Well-known Member
That information should be on the can. It may vary from brand to brand. Usually it's something like 2 oz per quart of paint. That is before it's thinned. Just keep in mind that once you put hardener in the paint it should be used that day. Any left over paint I would dispose of and start over with fresh paint the next day.
Stephen Newell
Well-known Member
The products you use you just have to make sure it goes with the correct type of paint. It would be like mixing latex paint with paint thinner and oil based paint with water.
Chemically when you think of paint it's a mixture of a hardening oil, pigment and a solvent. Oil based paints usually use linseed oil mixed with an alkyd resin as the binder to make the film. A synthetic enamel uses alkyd oil and polyester resin to make the film. An
acrylic enamel is made from plastic resins. Each different type finish is made of different hardening oils and therefore uses different hardeners and solvents.
Chemically when you think of paint it's a mixture of a hardening oil, pigment and a solvent. Oil based paints usually use linseed oil mixed with an alkyd resin as the binder to make the film. A synthetic enamel uses alkyd oil and polyester resin to make the film. An
acrylic enamel is made from plastic resins. Each different type finish is made of different hardening oils and therefore uses different hardeners and solvents.
jd man wis
Member
Thanks
Thank you all for the comments. I was specifically asking about the JD paints, thinners, and hardeners. I have used many other different kinds and understand all the differences between the lacquers, enamels, epoxies, acrylics, alkyds, etc., along with their differing chemical makeups. I had "heard" that within the JD line of material they are specific within themselves if that makes sense. Another words a synthetic enamel hardener from SW or NAPA shouldn't be used with JD synthetic paint, only their synthetic hardener. I haven't painted any JD equipment for quite a while so wasn't sure if that was gospel or salesmanship 
for JD.
for JD.I used economy paint products twice, the first and last time. All the work you put in and in a short period of time you have a crappy looking paint job. I only us high end material now and yes it is expensive but my time is important to me. Glad the Nason line works for you and thank you for your input.
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