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Macropoxy 646

38477 Views 15 Replies 7 Participants Last post by  4thstatefabr, 
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I am using Macropoxy 646 on a rusty iron fountain at a condo community. Macropoxy is a 2 component poly amide epoxy that can be used in immersion applications. I have read about it and used to sell it, but this is the first time that I actually used it myself.

Wow...this stuff is hard core!

Super adhesion, super leveling, great hide - but it is messy, smelly, has a ton of drag, and cleans up with reducer 15.

I got a drop of coating/solvent in my eye while I was cleaning my brush :eek::censored:...I will be wearing safety goggles for the 2nd coat.

Anyone have experience using this product?...advice?
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CApainter
ibsocal said:
As usual Benny U offer great 411.I am not worried about any coating failures for which I have stated above.I absoulutley refuse to drink the Kool Aid that you need to thin with the required thinner as I will go with compatibles or generic thinners(trix of the Trade) learned from years of back breaking hands on experience as a Sandblaster/painter.Qc and coatings inspector.
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The statement in bold fonts is true to a certain extent. The problem with generics is the quality assurance issues. Anyone in the industrial end of the trade knows you can thin just about anything with MEK. But for the few extra bucks, why not stick with the manufacturers line for the warranty guarantee.
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CApainter
ibsocal said:
I disagree,I beleive most people are worried about coating failures including yours trully BUT I know what works for me with long lasting results that have met the service life of the coatings applied ,appling manny types of coatings for close to 30 years has taught me lots of lessons learned and to not shy away from passing on any tips to others who ask free of any charge.use it or lose it. I feel nace is way Over priced (fee's) to get in on any type of their certifications.dont inspect professionally anymore,hate dog and pony shows and the BS that goes along with being in.
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I believe your credibility is enhanced with a NACE certification, because it is recognized industry wide. Coating standards should be followed and maintained as described by NACE and SSPC.
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CApainter
CApainter said:
The statement in bold fonts is true to a certain extent. The problem with generics is the quality assurance issues. Anyone in the industrial end of the trade knows you can thin just about anything with MEK. But for the few extra bucks, why not stick with the manufacturers line for the warranty guarantee.
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Also, certain NSF approved applications require a certain thinner. For example; Devoe's Bar Rust 233 epoxy requires the use of a particular thinner when in contact with drinking water. Any breech of this requirement can result in hefty fines and possible prison time for negligence.
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