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Rifles, Reloading, Optics, Equipment
Reloading
Powder Temperature Sensitivity
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<blockquote data-quote="MagnumManiac" data-source="post: 257701" data-attributes="member: 10755"><p>Unfortunately, as stated above, the info you require just isn't out there.</p><p></p><p>I can tell you for certain that Alliant powders are the worst for increasing/decreasing in power released with changes of temperature, and the best for not showing swings in power released are Hodgdon Extreme powders, most ball powders are stable until extreme cold/hot situations show themselves.</p><p></p><p>One thing is for sure, if you work up loads in cooler months with Alliant powders, you will most likely run into trouble in the warmer months, I have had blown primers with a load worked up in winter, and then used in spring, a temp change of only 10 degrees C, go sky high in pressure causing me to abandon shooting for that day until I adjusted the powder charge.</p><p></p><p>The only way to know what a powder will do in fluctating temps is to test it at varying temps.</p><p></p><p>Cheers.</p><p>MagnumManiac.</p><p>gun)</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 257701, member: 10755"] Unfortunately, as stated above, the info you require just isn't out there. I can tell you for certain that Alliant powders are the worst for increasing/decreasing in power released with changes of temperature, and the best for not showing swings in power released are Hodgdon Extreme powders, most ball powders are stable until extreme cold/hot situations show themselves. One thing is for sure, if you work up loads in cooler months with Alliant powders, you will most likely run into trouble in the warmer months, I have had blown primers with a load worked up in winter, and then used in spring, a temp change of only 10 degrees C, go sky high in pressure causing me to abandon shooting for that day until I adjusted the powder charge. The only way to know what a powder will do in fluctating temps is to test it at varying temps. Cheers. MagnumManiac. gun) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Powder Temperature Sensitivity
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