Very high temperature paint?

[k-ink]

I recently applied some specialist paint (rated up to 650 degrees) to our steel stove. Upon firing it up for twenty minutes the paint started to peel off. So it obviously far excees the rated temperature of the paint.

What else is out there for very high temperatures? What do they apply to manifolds? I'm just looking for a black coating. Otherwise I'll leave it as bare sandblasted steel (possibly protected with WD40).

Thanks!

[Simpo Two]

'Stove enamel' comes to mind!

But is your stove really doing 6.5x the temperature of boiling water and more than 3x the temp of a very hot oven?


With TVRs in mind, there's a ceramic coating for manifolds - ask over there!

[k-ink]

Yes I already have a premium brand of "stove paint". I had the option of spray can or tin of paint. No good really. I need something rated at far beyond 650...

[jas xjr]

I would look at the method of prep first before I did anything else

[Meoricin]

jas xjr said:

I would look at the method of prep first before I did anything else

This. How did you prepare the surface, and how long did you leave the paint to cure?

[thinfourth2]

Well at 600C steel starts to glow a dull red so i think you aren't reaching over 650C

and if you are reaching over 650C in 20 minutes i think you need less jet fuel in the stove

[Dave_ST220]

thinfourth2 said:

Well at 600C steel starts to glow a dull red so i think you aren't reaching over 650C

and if you are reaching over 650C in 20 minutes i think you need less jet fuel in the stove

650F? Which would be around 340C......

[Bill]

k-ink said:

(possibly protected with WD40).

Thanks!

It might protect the stove, but I'd be concerned about what it might do to the surrounding house...

[otolith]

Dave_ST220 said:

650F? Which would be around 340C......

^^ that's my guess.

[k-ink]

The paint is rated at 650C (1200F). The directions for prep did not state anything about a primer being required. Just a clean dry surface. As seen here...

http://www.ebay.co.uk/itm/CALFIRE-HIGH-TEMP-BRUSH-...



I take your point it may not actually have reached the rated temp, which only makes the paint seem even more crap. At this point I am having a local company sand blast it back to bare steel. The stove is for use outside and won't be used in the house by the way.

[Marty63]

Can you still get the 'black lead ' stuff that they used to polish the auld ranges with during the war ??

[Mobile Chicane]

Marty63 said:

Can you still get the 'black lead ' stuff that they used to polish the auld ranges with during the war ??

Yes you can. Robert Dyas sell it.

[madbadger]

We have some high temperature paint we use on a tundish.

It's rated to 600c too, but we probably don't get that high. However as our tundish is full of molten steel at ~1650C I would imagine it is hotter than your stove.

Can't remember the brand but I'll check on monday.

[twister]

k-ink said:

I recently applied some specialist paint (rated up to 650 degrees) to our steel stove. Upon firing it up for twenty minutes the paint started to peel off. So it obviously far excees the rated temperature of the paint.

Did the instructions on/provided with the tin match up with those on the manufacturer website? Your description of events sounds not entirely dissimilar to the following extract from there...

Stove Bright said:

Trouble-shooting paint curing:

Take care to build slowly to the medium temperature fire. Building a hot fire immediately will “shock” the paint and cause it to release from the surface. The only remedy to this problem is to remove the paint, prepare the surface for repainting, and repaint.

[k-ink]

Thanks for all your replies. If any of you have links to other products they would be really appreciated.

ps

I tried building a cold fire but it did not work. It only wanted to be hot :P

[madbadger]

This is what we use.



I think it is available in black as well as silver.