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Retumbo powder ????

 
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  #1  
Old 05-31-2012, 09:16 PM
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Retumbo powder ????

I decided to reload some bullets this evening so I opened up a new canister of retumbo . I was a little shocked to see that it had clumps of powder in it . Have any of you guys experienced this before ?

Thanks bigbuck
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Old 05-31-2012, 09:53 PM
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Re: Retumbo powder ????

I got a good deal on 10 lbs a number of years ago. Imagine it has to do with the stuff sitting. Never noticed a problem. A couple of light shakes to the canister before opening takes care of any problems...
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Old 06-01-2012, 06:10 AM
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Re: Retumbo powder ????

Retumbo does seem to have the tendency to clump up after sitting. I have also found that when taking apart loads that were a few months old that the top 1/8" or so of the powder in the case had the granulals fused and had to be loosened with a small wooden dowel. However, it did not effect the accuracy or velocity readings of the loads. I think effect is inherent in the formulation.
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Old 06-01-2012, 03:05 PM
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Re: Retumbo powder ????

Hodgdon says it's caused by the solvent on the powder not totally drying before they can it.

They say it doesn't affect the performance of the powder in any way, and that has been my experience... my loads haven't been affected.

I just left the lid off my can for a day or so and it doesn't clump any more.

Hodgdon advised to just shake the can a few times to break loose the clumps before opening the powder and using it.

Dan
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Old 06-01-2012, 04:16 PM
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Re: Retumbo powder ????

Never have seen that problem. Sounds like humidity made it stick together. I do not believe it is dangerous (I have a minor degree in Chem) but it will be hard to get the right charge.
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Old 12-04-2012, 08:34 PM
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Re: Retumbo powder ????

I sat down to load a batch up for one of my rifles just last-night and noticed this very problem.. opened up a brand-new can and started pouring into my powder measure, nearly flipped when I seen a clump fall out!

Figured I'd bump this thread.. definitely took a little weight off my chest after reading it! Hopefully you're all very-right and it does-not show any effects to burn and velocities and such**
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Old 12-04-2012, 09:07 PM
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Re: Retumbo powder ????

Its normal I see it on a regular basis with Retumbo and H1000, just shake it, it breaks up easy and has no effect on the loads.
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