gccch

I just filled my spray gun with POR-15 for my first time. I have used the gun before with paint and primers. I did not realize this stuff was so thick.

I sprayed a couple of small items and it seems to be coming out ok, but I get a lot more air vs. paint. Any advice before I move on to larger mor visible parts?

I don't have any POR thinner. Not sure if I need anything besides adjustments or keep going as is.

I have a suction type gun and tried at 60-70 psi line pressure.

Oh, and how long can I leave this stuff in my gun?

Scott Marzahl

You need the POR thinner. I would not leave any in the gun overnight.

gccch

Okay. It says not too thin more than 5% is that what I need by volume?

That's not good. No dealers in my area ar open or have thinner in stock. Are there any substitutes?

wilbur

Never used for por 15 in a spray gun so I really can't help you with your question but I have used por 15 chassis coat black in the aerosol can as a top coat over por 15.
The results were excellent.
The chassis coat black in the aerosol can is also as tough as nails and the finish is very smooth.

gccch

Wilbur, those parts look fantastic. I've managed to spray one coat but it comes out in spurts. It seems to cover very well. Directions say two coats so in a couple hours I will spray them again. I'm using this for a few parts to see how it goes. Painted my differential, half shafts, drive shaft and front bumper supports. Some of these were dip painted parts and others like the rear end parts there seems to be disagreement over whether they were painted at the factory. Don't want to open that can in this thread though. Just need advice on finishing up.

Thanks,
Greg

Pop Chevy

Never sprayed it , always brushed it on. It flows nicely. DO NOT GET IT ON YOUR HANDS !!!!!

Guyddog

You should be wearing a fresh air mask , common respirators aren't going to be safe with this product. Look up the warnings online, dangerous if sprayed.

gccch

Too late for that... I'm the type of guy that goes to remove it from one finger and coats two others. I'll be looking like a mechanic for a couple weeks. The parts look pretty good though!

wilbur

If the parts will be exposed to sunlight you should top coat them.

Any pictures?

claf

Rather than trying to over-reduce it an easier solution would be to use a gun with a larger tip. I'm guessing something larger than 2.0

frankturbo

WOW , that looks good !

63redvette

gccch

Thanks guys. I will get the thinner. The parts came out pretty good, but the second coat brought out some air bubbles or splatter which gave inconsistent results. I'm happy enough with the parts to use them as is. I will touch up some areas with a brush. I'm very happy to have these parts coated and will continue to try using this product on the other dip painted items.

alexandervdr

Does it flow 'good enough' for chassis and suspension parts? I hate the hassle with the spray gun in my small garage...especially the preparation and masking/taping off including the garage itself

wilbur

when I brushed the the 1st coat of por 15 it was infested with brush strokes and didn't look all that good. the second coat it was a little better but it wasn't until I applied por 15 chassis coat from the aerosol can (approximately 1 hour after I applied the por 15 by brush) things started to look great. it was like the paint melted together.

samills

When I did my GTO, I brushed the entire underbody. It came out pretty smooth.

chrislyn

I have been restoring fire engines for over 15 years and have used a product in my eyes that has out performed Por15. The product is called Zero Rust. It has never failed . When we replace floors or inner structure everything is coated with Zero Rust. The cost of Zero rust is less expensive also. Good luck.

Vette Daddy

Powder coat for over twenty years.

csherman

65silververt

What size nozzle are you using?