question about automotive paint

[handyman2020]

hello,
On this motorcycle exhaust, I got a scratch and i could see bare metal. so I bought " Rust-Oleum Specialty Automotive High Heat Paint in Flat Black, Spray Can for automotiv" as its "flat black" color.
https://www.rustoleum.com/product-c...alty-paints/high-heat?ls=248903&lc=Flat Black



I sanded the area to make it smooth with 400 grit and then I sprayed above Rustoleum product while exhaust was cold. After the spray dried it turned gray though the product says its flat black.

I even tried spraying while the exhaust was hot but same color gray is turning up

I also shook the can 1 minute prior to use.

Sprayed area turned more gray as compare to exhaust:-

^^^Sprayed area turned more gray as compare to exhaust. ^^^

I have no idea what to do, I do have a spray gun and compressor, if it takes to paint with spray gun to match and fix the scratch i will do it.

Please can someone guide me on

1 why Rustoleum is not turning flat black ?
2 how to match color as close as possible?
3 if not spray can then which color to buy or another brand high temperature spray can will do?
4 what is the actual color on this exhaust? how to find it?


This is the motorcycle exhaust.:-

^^^This is the motorcycle exhaust.^^^^


Thank you

 

[ZRX61]

You'd probably have better luck with graphite stove polish, comes in a tube like toothpaste:

Rutland RD-WI-00710 William's Stove Polish Paste, 2.3 oz Tube

Rutland William's Stove Polish Paste, 2.3 oz Tube. A top choice of the hearth industry for more than 80 years. Proven Formula. Cast iron. RD-WI-00710.

www.fireplacesdirect.com

Is that factory paint on everything? It looks more graphite than flat black in the pic.

 

[BillK]

If you spray it on a clean piece of metal what color is it ?? It should be black. It doesnt change color when it heats up. If its not black then the can might have been marked wrong.

I have always preferred VHT paint for headers and exhaust. They have been the go to paint for that use for many many years.

Not sure where it came from but I actually have a can of Rustoleum sitting on the shelf. Mine says 2000 degrees though. Its probably ancient. It does dry more towards a dark grey. I attached a picture below. The only VHT I have is Silver so I cant do a comparison.

 

[FredWanaker]

have you considered asking the motorcycle shop if they have a factory finish in a can?

 

[handyman2020]

If you spray it on a clean piece of metal what color is it ?? It should be black. It doesnt change color when it heats up. If its not black then the can might have been marked wrong.

I have always preferred VHT paint for headers and exhaust. They have been the go to paint for that use for many many years.

Not sure where it came from but I actually have a can of Rustoleum sitting on the shelf. Mine says 2000 degrees though. Its probably ancient. It does dry more towards a dark grey. I attached a picture below. The only VHT I have is Silver so I cant do a comparison.

its still gray, i tried on 2 different metal first an iron plate shiny not rusty and second a small broken ipad ( back side aluminium frame silver dark gray color originally)

have you considered asking the motorcycle shop if they have a factory finish in a can?

not yet.

 

[firebirdparts]

That's weird. I think that can was no good.

 

[RStewart]

Can’t help with paint but nice bike.

 

[dfiler2]

"Stove Bright" I have used this on a freestanding gas stove and it is flat black, it's available around here at most hardware stores.

Amazon.com: Stove Bright 6304 Stove Bright High Temperature Flat Black Stove Paint : Tools & Home Improvement

Amazon.com: Stove Bright 6304 Stove Bright High Temperature Flat Black Stove Paint : Tools & Home Improvement

www.amazon.com

 

[CraigStu]

BBQ paint will work also. Like almost any basic color there are a lot of 'blacks'. And besides the color there are a lot of sheens. If the manufacturer doesn't offer paint I think you are going to have to buy several brands to see which is the best match.