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Posted: 3/7/2006 11:46:28 AM EDT
[#1]
Anyone?
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Posted: 3/7/2006 11:51:59 AM EDT
[#2]
from what I recall from previous posts, Duracoat hi temp is what you should use on the barrel.
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Posted: 3/7/2006 12:01:20 PM EDT
[#3]
DuraHeat, right? |
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Posted: 3/7/2006 2:24:44 PM EDT
[#4]
Norrell would be better than the Duraheat or Cerakote.
The high-temp coatings are not abrasion resistant and will scratch off much easier. The Norrell is high temp enough to do a stainless match barrel and more dureable. Even on silencers I prefer Norrell (or Gunkote) to the high-temp coatings. I only burned it off once and I had to use a belt-fed. |
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Posted: 3/7/2006 2:38:47 PM EDT
[#5]
Make sure you sand blast the barrel first or no finish will stick.
The sand I use is Quickcreat medium grit leveling sand it can be had for less than $10.00 for a 100 lb. bag. 
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Posted: 3/7/2006 2:40:43 PM EDT
[#6]
The instructions for Norrell say to use Aluminum oxide and you must not use glass beads.
Are you sure sand is sharper than glass beads? |
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Posted: 3/7/2006 2:44:44 PM EDT
[#7]
Glass beads smooth the surface, sand cuts it. There are several people on this board who have been given faulty info, and have bead blasted a barrel, only to later fix their mistake.
Norrells would be my first choice with or without the high heat factor. Taken from molyresin.com..... Thermal Stability: The cured coating will withstand exposure at 500 f for 1000 hours minimum and 1000 hour minimum soak at -125 f. Minimum initial oxidation temperature is 880 f. Thermal breakaway is 1000 f minimum. Fluid Resistance: Moly Resin™ will meet 24 hour emersion requirements in the following fluids: aviation gasoline, hydraulic fluid, jet fuel, lubricating oils, paint removers, trichlorethylene, nitric, sulphuric and hydrochloric acids, hydrogen peroxide, gun powder solvents, strong bases such as ammonium and sodium hydroxide, and numerous other strong chemicals. Corrosion Resistance: Moly Resin™, when applied to bare sandblasted cold rolled steel will pass the test procedures for salt water spray at 1000 hours, salt water immersion at a minimum of 1000 hours, accelerated salt spray test equivalent to 30 years marine atmosphere exposure, and 60 days sea water immersion. Hardness: Hardness is 1H. This meets and/or exceeds the hardness of any Epoxy,Teflon or other thermally cured firearm coating or paints on the market. |
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Posted: 3/7/2006 3:13:15 PM EDT
[#8]
You guys are great. Thanks for the input. I've read the fantastic refinishing thread and had great results with Norrells. I just wasn't sure that it was right for a barrel. Thanks again. Tom
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