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Old August 19, 2002, 03:15 PM   #22
Jim Watson
Senior Member
 
Join Date: October 25, 2001
Location: Alabama
Posts: 18,491
Glass is bad for powder?
I doubt it, but ultraviolet coming THROUGH the glass is bad for powder, just as it is for plastic and rubber. So cover it up when not in use.
Star used tempered glass hoppers on many of their progressives, those that didn't have metal hoppers, because when they were the only choice in progressives the usual powder was Bullseye which contains the most nitroglycerine of any powder still being made, and there were no common plastics resistant to it.
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