Ppg amercoat 370 review

[streetbird]

A body supplier suggest me to use amercoat 370 to seal my car. Anyone use it and give me review. My first plan was to use imron 1220s but the conseller told me thats is expensive and the ppg will do a better job for less

[Rick D]

Not sure on the amercoat 370 but as for Imron if your building a truck go for it and I mean a semi. Lol

Imron is very old technology and is more for the fleet industry.

What I will say is start with a paint system and use that system from start to finish!!! PPG, Axulta (the new name for DuPont) BASF, or "SIKKENS" The paint company's build the products to work together so trust them they know how to make their products work with each other. I see it all the time, your base coat didn't stick to my cheap clear? Really because my base coat is still on the car but "your" clear is not??

I would recommend Sikkens but any of the top company's will give you great results!!

[streetbird]

They sold ppg and dupont where I buy my paint. They suggest me nason over the imron. I trust imron cause in the past i work with it on truck like you say. But im not a paint guru, i dont work in this industries anymore. The ppg 370 is a marine system and its just to seal my structure. Its 140$ for the gallon an 210 for nason in canada

[Rick D]

I'm going asume you are looking an epoxy? All the epoxies sold today in any country do not have the heavy metals in them any more so they do not protect they way the used to, they are all chromate free. hexavalent chromium is what was removed from the primers (and a lot of other products) that made them work very well for corrosion protection.

Think of it like this, how much corrosion is there on a boat?? That should anwser you question. Marine products should be used for that purpose.

Let do some digging for you, I have some connections in Canada to get you a good better best options.

[dhutton]

I recommend SPI epoxy. Good product at a decent price because I try to work within a farily tight budget. It has corrosion inhibitors and is an etching epoxy. I am pretty sure it is available in Canada but you could give them a call.

www.southernpolyurethanes.com

Don

[Rick D]

Ok so doing some more checking, 2.1 voc is your limit in Canada for primer (epoxy) looking at the Amercoat 370 it does sound like a great product and will most likely work for what you want todo with it.

Couple of things to watch for is your mil build. You can achieve 4-6 mils pre coat applied (that's ALOT per coat). So I would say if they have the reducer (Amercoat 65 xylene) get it and cut it up to 20% as recommended it will help a lot with air spraying it.

The other thing is you will need at least a 1.8 tip for your spray gun, so a primer gun is what you will need. If you try to spray it out of anything less then the (1.78 to be exact) it will go on very ruff and not be very smooth and possible leave areas that do not have enough coverage and could rust or corrode again.

Another thing to watch is your film thickness where you will be attaching new metal, if you end up with excessive film build in these areas you will have issues welding and possible panel alinement.

The last thing you need to make sure of which I could not find the anwser to was what other products "can" it be top coated with?? The product it goes with is Polyurethane, so if you top coat it with a polyurethane based product you will good but if you try to use a polyester base product you could have adhesion issues if it is not compatible with it.

Please do not take my explanation as you do not know what you are doing, I just try to explain things so anyone reading can understand

I hope this helps answer your question!!

[Rick D]

Originally Posted by dhutton

I recommend SPI epoxy. Good product at a decent price because I try to work within a farily tight budget. It has corrosion inhibitors and is an etching epoxy. I am pretty sure it is available in Canada but you could give them a call.

www.southernpolyurethanes.com

Don

This would work as it is a 2.1 voc product but as Don stated not sure if you can it up in Canada?

Don just to clear up one statement Epoxy primers are NOT etching primers they bond with a mechanical and chemical adhesion. Etching primers worked with an acid to bite into the metal, but once the heavy metals were removed from all these products they really don't do much any more, my company has discontinued them. Some company's still sell them as they are BIG sellers for a long time so they just keep on selling them.

[ccracin]

Listen to Rick, he's got the back ground.

I can tell you we use Ameron products for our equipment. They work very well and are reasonable to apply. I especially like their primers and sealers. In situations where primered only parts are exposed to UV and the elements, it hold up very very well. We specifically use Ameron Amerlock 2. Just thought I'd give a bit of feedback.

[streetbird]

Originally Posted by Rick D

Ok so doing some more checking, 2.1 voc is your limit in Canada for primer (epoxy) looking at the Amercoat 370 it does sound like a great product and will most likely work for what you want todo with it.

Couple of things to watch for is your mil build. You can achieve 4-6 mils pre coat applied (that's ALOT per coat). So I would say if they have the reducer (Amercoat 65 xylene) get it and cut it up to 20% as recommended it will help a lot with air spraying it.

The other thing is you will need at least a 1.8 tip for your spray gun, so a primer gun is what you will need. If you try to spray it out of anything less then the (1.78 to be exact) it will go on very ruff and not be very smooth and possible leave areas that do not have enough coverage and could rust or corrode again.

Another thing to watch is your film thickness where you will be attaching new metal, if you end up with excessive film build in these areas you will have issues welding and possible panel alinement.

The last thing you need to make sure of which I could not find the anwser to was what other products "can" it be top coated with?? The product it goes with is Polyurethane, so if you top coat it with a polyurethane based product you will good but if you try to use a polyester base product you could have adhesion issues if it is not compatible with it.

Please do not take my explanation as you do not know what you are doing, I just try to explain things so anyone reading can understand

I hope this helps answer your question!!

thx for the info. My gun is a devilbiss 540 with 1.8 tips I think and I have the primer nozzle to match with. I appreciate all your advise but like I said I am limited with ppg and dupont and montana. I read some people use dp90 too, so I will take my time and continu the research to take the right primer.

[dhutton]

Originally Posted by Rick D

This would work as it is a 2.1 voc product but as Don stated not sure if you can it up in Canada?

Don just to clear up one statement Epoxy primers are NOT etching primers they bond with a mechanical and chemical adhesion. Etching primers worked with an acid to bite into the metal, but once the heavy metals were removed from all these products they really don't do much any more, my company has discontinued them. Some company's still sell them as they are BIG sellers for a long time so they just keep on selling them.

Hi Rick. From the SPI website:

Self-etching epoxy primer doesn't require the use of an acid-etch primer

Don