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    • #50070
      Rattlesnake Charlie
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      An interesting article describing where some powders turn the PC they are in contact with to gummy mush.

      I will watch this a little further before making any decision to go to PC over my old time grease lubing.

      http://castboolits.gunloads.com/showthread.php?358709-Testing-Propellants

       

    • #50091
      popper
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      As propellants are either/and nitroglycerin or nitrocellulose – both which destabilize(outgas) an acidic compound, our ethylene/glycol based PC deteriorates. The slow (double based) powders typically have more stabilizers added ( reduced outgassing) therefore the effect is less pronounced. Solution? Switch to Hitek, use a paper GC, wipe the base with liquid wax, etc. I don’t use any of theses powder so not my problem. As the outgassing is NORMAL, performance of powder will NOT change. Old powder is old powder.

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