DILYSI Dave
DILYSI Dave SuperDork
7/26/11 3:27 p.m.

I am making some stuff that is going to live in a nasty environment - It will be exposed to both hydrochloric acid as well as chlorine gas. Nasty stuff. Even stainless steel rusts in this environment. So I'm looking for a paint that will survive. Anyone know of anything made for this? Preferably an aerosol.

Dr. Hess
Dr. Hess SuperDork
7/26/11 4:29 p.m.

Teflon paint. Brownell's gun coat stuff. You clean the metal, paint it on (aerosol), bake it, done. Teflon finish like a frying pan.

Chas_H
Chas_H New Reader
7/26/11 5:59 p.m.

Automotive undercoating or foundation (tar) paint.

wlkelley3
wlkelley3 Dork
7/27/11 8:47 p.m.

They do make paint for this environment, it is expensive though. Check aviation paint for starters, the kind for inside compartments and structures.

DILYSI Dave
DILYSI Dave SuperDork
7/27/11 8:48 p.m.

I'm giving plasti-dip a shot for now.

914Driver
914Driver SuperDork
7/28/11 5:44 a.m.

How about some of that garage floor epoxy paint?

Dan

DILYSI Dave
DILYSI Dave SuperDork
7/28/11 6:19 a.m.
914Driver wrote: How about some of that garage floor epoxy paint? Dan

We have used that in the past for this environment, and it works. Kinda looks like hell though given that it is applied with a brush / roller.

Apparently there are some powder coating powders that can handle it as well.

z31maniac
z31maniac SuperDork
7/28/11 7:30 a.m.

^Powdercoating is what we do for our Navy stuff.

But then heat/salt water are what it gets exposed to, not corrosive acids/gas.

Jcamper
Jcamper New Reader
7/28/11 7:29 p.m.

Imron is about the toughest paint I have seen. Real nasty stuff, but I was talking to somebody today who said that they spilled brake fluid on a frame painted with Imron and let it sit for 3 days without noticing it. No damage. J

speedbiu
speedbiu New Reader
7/28/11 10:36 p.m.

The best stuff for the job is what they recoat the cast iron tubs with.Its a two part epoxy that can be sprayed on for a great looking finish and its cheap and sold in most DIY stores(lots of colors to choose from too).It will hold up for years in that environment.Powder coats are useless without a great powder primer which most people dont use and the cost is crazy high. Hope this helps.

Ian F
Ian F SuperDork
7/29/11 9:12 a.m.

See if POR15 has something that'll work. Their Hardnose lines are designed for harsh environments.

AngryCorvair
AngryCorvair GRM+ Memberand SuperDork
7/29/11 9:36 a.m.

just don't get it on your hootus.

GregW
GregW New Reader
7/29/11 10:30 a.m.

Don't get any of these coatings on anything you don't want painted. Like the inside of your lungs or your eyeballs. Some of these chemicals can deactivate the former and polymerize the latter.

Check with a plating equipment supplier. Thier stuff is designed to work in just about the chemically harshest environment around.

DILYSI Dave
DILYSI Dave SuperDork
7/29/11 11:43 a.m.
GregW wrote: Don't get any of these coatings on anything you don't want painted. Like the inside of your lungs or your eyeballs. Some of these chemicals can deactivate the former and polymerize the latter. Check with a plating equipment supplier. Thier stuff is designed to work in just about the chemically harshest environment around.

What kind of plating? Chlorine gas attacks all of the platings I could think of.

Hmm - maybe nickle. Didn't check on that one.

Rob_Mopar
Rob_Mopar Dork
7/29/11 3:15 p.m.
DILYSI Dave wrote:
GregW wrote: Don't get any of these coatings on anything you don't want painted. Like the inside of your lungs or your eyeballs. Some of these chemicals can deactivate the former and polymerize the latter. Check with a plating equipment supplier. Thier stuff is designed to work in just about the chemically harshest environment around.
What kind of plating? Chlorine gas attacks all of the platings I could think of. Hmm - maybe nickle. Didn't check on that one.

Nickle should do it. I remember reading about Chrysler doing nickle and possibly chrome plating for some kind of chemical lines or something for the US government during WWII.

wjones
wjones New Reader
8/1/11 11:48 p.m.

Hastelloy and no paint.

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