Very interesting. Way back when MEC sold a shell conditioner for the paper cases. It was a tapered aluminum mandrel with an internal heating element, gauge specific, and it worked great. Unfortunately it was way too hot for plastic (don't ask how I know this). With the cheap temperature controllers available today I have often wondered if I could find the 'right' temp for plastic? Unfortunately I gave all the old conditioners away.
C.G.B.
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