I don't know the technical details but I do know that
heat exacerbates the tendency of a roll of it wishing
to remain curled up. It is best to roll it loosely rather
than tightly. This is pretty much the case with most
any plastic.

S.Simon

"Bobsprit" wrote in message ...
Mylar has a memory, stupid.



How long does Mylar need to retain a form/shape/bend?

RB