My first try at powder coating cast boolits

Discussion in 'Handloading and Reloading' started by Palehorseman, Feb 7, 2014.

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  1. Palehorseman

    Palehorseman Member

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    I put about 50 boolits in a clean coffee can and sprayed well with carb cleaner to clean, sloshed around for a bit and dumped out on paper towels to dry.

    Using Harbor Freight red epoxy powder coat, ($3.99 lb) dry tumbled by hand for few minutes in plastic container, dumped boolits onto screen tray to sift out excess powder for reuse. Put screen tray into preheated toaster oven for 10 minutes at 400 degrees. After oven timed out, I immediately removed screen tray and gently shook by hand for a couple minutes to keep boolits separated and from sticking to wire screen. The screen mesh is small, about like window screen but more strongly made, Wife donated it from her BB'Q set.

    Coated and baked only once, passed hammer test, one on front right I beat pretty good, epoxy coating split, but did not flake off

    P10100492.jpg

    P10100472.jpg
     
  2. flashhole

    flashhole Member

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    Nicely done but I think you will have a tough time loading the ones you smacked with the hammer. Did you use the Lee Truncated Cone mold? 9mm or 40 S&W?
     
  3. horsemen61

    horsemen61 Member

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    I have a feeling that it will leave deposits in your barrel and be hardwr ro clean than lead is
     
  4. flashhole

    flashhole Member

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    Seems to be catching on with more and more people trying powder coat. Reports are favorable, at least with non-leading. I would worry about excess wear on the barrel.
     
  5. Jim Watson

    Jim Watson Member

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    Most powder coaters say they shoot clean.

    It is encouraging that you were able to do it so simply.
    I read of people buying the powder spray guns and building grounded spray racks.
    Others dissolve up the powder in a witches brew of solvents for a dip or slip coat.
    But just rolling them in powder is a lot more attractive.

    What is in the coating to wear the barrel, flash? It is just plastic, isn't it?
     
  6. horseman1

    horseman1 Member

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    Nice job Pale.
     
  7. Palehorseman

    Palehorseman Member

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    These were cast from Saeco Mold #131 45 Caliber (452 Diameter) 185 Grain Semi-Wadcutter Bevel Base
     
  8. Palehorseman

    Palehorseman Member

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    It leaves no deposits, that is one of it's merits, no leading, in short it turns a cast boolit into a jacketed bullet. There was some who were worried about the matte black powder coating being abrasive, but proved unfounded.

    It also eliminates the need to lubricate cast boolits, for either sizing or shooting.

    For more info on powder coating boolits:
    http://castboolits.gunloads.com/forumdisplay.php?184-Coatings-and-Alternatives
     
  9. flashhole

    flashhole Member

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    Don't know enough about the hardness to be sure it wouldn't cause excessive wear. There is no carrier that evaporates off, just solids that cure hard.
     
  10. Palehorseman

    Palehorseman Member

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    The dry tumbling method has just recently come about and is hard to beat as to an inexpensive and easy no muss, no fuss way. Some volume casters use vibrating or rotating tumblers, but the hand tumbling suffices very well too. All needed is the powder and a cheap toaster oven.

    Powder coating cast bullets is not just a passing fad. Shooters in Australia came up with it many years ago and is now just about the only way they shoot cast there. Then shooters in the EU followed suit, slow to change at first here in US, but now gaining adherents swiftly.

    Some indoor shooting ranges do not allow conventional lubed cast bullets, but now some do allow the powder coated ones as there is no lube smoke or lead emissions to the atmosphere.

    As I posted earlier, for more info on coated cast boolit shooting is found here: http://castboolits.gunloads.com/forumdisplay.php?184-Coatings-and-Alternatives
     
  11. floydster

    floydster Member

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    Powder coating is the only way to go, no more nasty lube, no more nasty smoke.
    I am coating seven calibers at the time with more to come--it is the Bomb!!
    This will be the future in the cast bulet world I do believe.

    The dry tumble method is great, however the PC gun is awesome:)

    Used to be---Smokeyloads:)
     
  12. grubbylabs

    grubbylabs Member

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    For 3.99 I might have to give it a try.

    Has any one tried it in rifle bullets?
     
  13. bluetopper

    bluetopper Member

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    This seems quite different from 'Moly" coating, or is it?
     
  14. jcwit

    jcwit member

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    Now wait just a cotton pickin minute. Aren't only men allowed at the grill?

    BTW nice looking bullets and thanks for the info, will have to try it.
     
  15. Reefinmike

    Reefinmike Member

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    A thin powder coating over soft lead isnt nearly as hard as FMJ ammo or even the solid copper stuff. no way will these cause more wear than "traditional" FMJ ammo.
     
  16. Palehorseman

    Palehorseman Member

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  17. jmorris

    jmorris Member

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  18. Rushthezeppelin

    Rushthezeppelin Member

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    I've heard of people pushing the PCed bullets up to 3200 fps. In the 300 blk community it is catching on quickly as it can pretty much eliminate lead buildup in cans not to mention seems to be the only way to print good groups with the subsonic cast bullets.
     
  19. jmorris

    jmorris Member

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    I had realized that I never did my, quite unscientific, melt test with my PC bullets. Now remember that the bases on mine are uncoated but I was surprised to see that it went before the cast bullet. Maybe the coating held in more heat than the naked one?

    This is the hi TEK and cast

    [​IMG]

    This is PC.

    IMG_20140208_152242_528_zpsaf48fd6a.jpg
     
  20. jmorris

    jmorris Member

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    I thought heating from underneath, even on the aluminum plate. I may have skewed the results.

    So I just tried it again heating the back of the plate from side to side, so there was no dwell in the center and put the PC bullet in the center.

    Same results the PC bullet went first.

    IMG_20140208_153658_676_zpse8f73560.jpg

    Then the naked bullet went second. I removed it and kept the heat until the hi TEK bullet looked melted, then dropped it. Can't really see it in the photo but the result was somewhat like an eggshell.

    IMG_20140208_154357_469_zps1af82c82.jpg
     
  21. Palehorseman

    Palehorseman Member

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  22. silicosys4

    silicosys4 Member

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    I'll admit I have been skeptical about PC'ing, but as more people try it and post results, I have yet to see anything negative, and the dry tumbling method seems pretty easy and convenient
    They can be sized after coating? I think I'm going to try it myself.

    I like that you have options for different colors. That will make it really easy to keep track of different loads.
     
  23. jmorris

    jmorris Member

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    Those look great! Can you post photos of your process?
     
  24. bluetopper

    bluetopper Member

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    Again, is this like 'Moly" coating or not?
     
  25. jmorris

    jmorris Member

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    No, powdered Molly is totally different.

    Moly coating lead was the first thing I tried years ago and was a complete failer. They looked like black mirrors but left black spider webs in the barrel. I tumble coated moly in ceramic media. the process is really ment for jacketed bullets.
     
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