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In Reply to: RE: The infamous Magnepan slap. posted by john65b on March 21, 2015 at 05:39:31:
All mylar/polyester shrink when heat treated.
The thing is though that Magnepan stretch the mylar tighter then a heat treated method ever could.
So that is why the mylar will stretch/slacken when heating up a prestretched membrane.
QUAD ESL are stretched too with weights and not by heat.
They do heat treat it when weight stretched to get the mylar to be fine and evenly stretched.
But the heat is not used to actually stretch the membrane.A heat stretched membrane will have much less tension compared to the level of mechanical stretching You are able to do.
Take care!
The one who succeeded was the one who didn't know it was impossible.
Edits: 03/21/15
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- RE: The infamous Magnepan slap. - JLindborg 09:04:10 03/21/15 (0)
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