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Thread: How much graphite?

  1. #1
    Boolit Buddy
    Join Date
    Feb 2018

    How much graphite?

    Iím going too try my luck in Making BP. Iíve gone through a ton off stickyís and didnít see or missed how much graphite to add per weight or volume. I know itís not necessary, but I want it to look itís best when I show it to my shooting buddies.

  2. #2
    Boolit Master

    Hickory's Avatar
    Join Date
    Feb 2009
    The Great Black Swamp of Northwest Ohio
    If I remember correctly graphite is add as a coating to keep the powder from drawing moisture and will retard ignition. I don't think I'd mix it into the powder.
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  3. #3
    Boolit Master

    rancher1913's Avatar
    Join Date
    May 2015
    plains of colorado
    the only graphite I use is for coating shot. it is detrimental in black powder unless you really know what your doing.
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  4. #4
    Boolit Buddy arcticap's Avatar
    Join Date
    Oct 2008
    Central Connecticut
    I think that it's added to commercial powder to help it flow better.
    The thread doesn't specify the exact amount, because most folks prefer not to use it.
    But a couple who do mentioned inexact amounts and methods for adding it:

    1. "Once you have you powder corned and screened, place it in your tumbler without media and give it a couple squirts of graphite powder. Seal it up and tumble for a 3-4 hrs. Then rescreen it. This will knock off the sharp edges and coat the powder making it much more uniform and making it flow much better. It will also break up any grains that are too soft".--->>>

    A. In another post, the same poster mentioned to "add a few puffs of graphite powder and tumble overnight again. One final screening and its done!"--->>>

    2. "I never tumbled it with graphite but added it and shook it up. It definitely went through the powder measure easier. Tumbling would help even more by knocking the sharp edges off the grains."--->>>

    I would try searching different instructions & formulas until you find one that satisfies your desire to know the amount of graphite to add if any.
    Perhaps you want to try your batch before you add any graphite to see how the graphite affects the burn & flow characteristics.
    Try adding graphite to only a small sample of powder and see if it produces desirable results compared to the powder without graphite.
    It's a whole lot easier to add it than to remove it if the amount that you add negatively affects the powder that you make.
    It's better to add too little than too much.
    Try adding it a little at a time at separate intervals until your finished powder produces the desired flow characteristics.

    One poster mentioned 2% graphite, but he wasn't happy with how his batch performed and it didn't sound like it was caused by the graphite.
    Also, he didn't mention where he obtained the 2% figure or when or how that he added it.

    Perhaps you only need a fraction of a percent.
    If you want to make good powder, try to follow the best recipes available and get to know your product before tinkering with the recipe.
    Every powder comes out differently depending on the recipe, method and ingredients.
    So be wary before you begin adding new ingredients.
    Last edited by arcticap; 12-06-2018 at 01:34 AM.

  5. #5
    Boolit Buddy
    Join Date
    Feb 2018
    Thanks for the info. I heard it made it flow better and helped keep out moisture.

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