A powder is a dry, bulk solid composed of many very fine particles that may flow freely when shaken or tilted. Powders are a special sub-class of granular materials, although the terms powder and granular are sometimes used to distinguish separate classes of material. In particular, powders refer to those granular materials that have the finer grain sizes, and that therefore have a greater tendency to form clumps when flowing. Granulars refers to the coarser granular materials that do not tend to form clumps except when wet.

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  1. nvshooter

    What Happened to My Powder?

    I have a half-bottle of Accurate 4064 powder; hasn't been opened for several years. I was rummaging through all the shootin' crap I have, and found this bottle of powder to have solidified into a brick of sorts. The humidity is very low where I live, and the cap has been screwed-down tightly for...
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