Miles Long
Well-Known Member
I've had good luck with DupliColor "engine paint with ceramic-good for 500f"
It is available in 3 shades of black.
Most of the parts painted have been aluminum, but some have been mild steel, or stainless steel.
Regardless of the metal, I always rough up the surface with aluminum oxide sandpaper - 220 grit if painted flat black, 400 if gloss.
If using a cleaner, use a compatible product from the same brand of paint being used. Lately, I've avoided cleaners altogether, but avoid touching the parts after using the sandpaper.
I also always heat up the spray cans, using a hairdryer or heat gun (careful with this ) and the part to be painted. This also blows off any dust on the part. Not a lot of heat - probably less than 100f
Then one or two coats of sandable primer(usually DupliColor flat black), heating the part between coats. After 1/2 hr, the topcoat goes on, again after pre-heating, and heating between coats.
If the parts are small, they go on an old baking pan, then are placed in a pre-heated oven, 250f, for 20 minutes, then allowed to cool while still in the oven.
Whether luck or good management, using this procedure has given good results. I've never had a problem with the paint flaking off
Cheers!
It is available in 3 shades of black.
Most of the parts painted have been aluminum, but some have been mild steel, or stainless steel.
Regardless of the metal, I always rough up the surface with aluminum oxide sandpaper - 220 grit if painted flat black, 400 if gloss.
If using a cleaner, use a compatible product from the same brand of paint being used. Lately, I've avoided cleaners altogether, but avoid touching the parts after using the sandpaper.
I also always heat up the spray cans, using a hairdryer or heat gun (careful with this ) and the part to be painted. This also blows off any dust on the part. Not a lot of heat - probably less than 100f
Then one or two coats of sandable primer(usually DupliColor flat black), heating the part between coats. After 1/2 hr, the topcoat goes on, again after pre-heating, and heating between coats.
If the parts are small, they go on an old baking pan, then are placed in a pre-heated oven, 250f, for 20 minutes, then allowed to cool while still in the oven.
Whether luck or good management, using this procedure has given good results. I've never had a problem with the paint flaking off
Cheers!
unk:
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