How To Clean Powder Staines From Powder Hopper

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I have a few Hornady and Dillon measures that accept taken on a deep iodine color. Is at that place a way to safely and conveniently make clean the plastic and render it dorsum to clear?
Buy a new hopper.
Semi-chrome smooth may take the staining out. It rejuvinates clear plastic that has been frosted by the sun such every bit instument covers on motor cycles.

Plastic caput light repair kits possibly.

Or practise nothing. I have a 40 year old Uniflow with the original hopper that you can barely run across through. It still hold powder every bit designed.
I gave up, and if you supplant it, the new one stains so speedily I only decided to quit worrying about it.
A glass one would exist squeamish, or some other tough material that wouldn't stain. I imagine they could make them, simply might exist pricy and hard to sell.
No.
There is no way to clean them subsequently yous left powder in it and the acid from the pulverization leached out into the articulate plastic hopper.
You avoid it in the first identify by dumping the powder out of the hopper when y'all become done using information technology.
And returning information technology to the orginial powder container for safe storage until the side by side time y'all use information technology.

Its reloading 101!
Both for safety.
And Fresh powder the next time.

And unstained powder hoppers.

rc
I have read that some folks take a articulate sheet protector used for loose leaf binders and cut a liner for their powder measure hoppers.
In theory, it protects the hopper from staining and is easily replaceable when the lining stains.

More problem than it is worth in my opinion and like rcmodel said, do not store powder in the hopper between uses.
That'south the best solution then far in my opinion.
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May 14, 2007

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I replaced my Hornady hopper with heavy walled Pyrex which is expensive and difficult to cut. Only now I can leave pulverization in information technology indefinitely.
Uniquetek.com sells a polycarbonate hopper (Lexan) that is stain resistant to most powders but not all, http://world wide web.uniquetek.com/site/696296/product/T1277
My experience with discoloration of the hopper is that it is not merely a "stain" - the chemicals in the powder are actually eating into the plastic. I accept replaced my Uniflow hopper with an aftermarket one that does not seem to be afflicted. Simply I never leave any pulverization in the measure - even simply overnight. It all goes dorsum into the tin can information technology came out of.
All is non lost if your hopper is stained. Here'southward the rest of the story:
The chemical reaction that causes the discoloration also causes the plastic to compress, loosening the press fit in the steel trunk of the powder measure. On mine, the shrinkage actually led to the tube falling out one 24-hour interval.

At present, if you're similar me, y'all rarely fill up the hopper more than nigh one-half-way, meaning the staining and shrinkage is confined to the lesser couple of inches. But cut off the stained portion, and you lot should however have about two thirds of the hopper left. Printing it back into the measure, and you're good to get.

And, like others have said, stop allowing the pulverization to sit in the hopper.