eBay Elvamide

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A couple months ago I bought some Elvamide off an eBay seller, who I've purchased items before and seems to be honorable.
Today I thought I'd try to make some solution, and after developing a stir motor, I heated the Methanol to just under it's reflux point per the Dupont instructions and processed the mix for nearly 2 hours without the Elvamide really showing any signs of dissolve.

Have anyone else tried this stuff?

*Sorry, just found a post on this subject
 
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6 hours of mixing and the Elvamide in Methanol is barely dissolving. I'd steer clear of the stuff on eBay. I've set it at just below the threshold of the boiling point of Methanol. I can tell some of the pellets have started to dissolve only because the fluid is turning opaque. The Grolsch beer is currently the only thing keeping my patience!

Elvamidemixer.jpg
 
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