This plastic polarizing sheet came from Surplus Shed. It is about
0.01" thick, and one side has adhesive backing covered with a clear
protective film. The film can be peeled off to stick the material
on a surface, or used as it is. Excellent for checking pyrex mirror
blanks for internal strain with the crossed-polarizer technique, or
cut small filters for other needs. Linear polarizing type. Price is
for 2 sheets.
Paypal instant fund transfer is the only payment method I can
accept for this item. Price includes First Class Mail shipping in
the continental US. Shipping address must be Paypal confirmed.
Other reasonable offers considered. Thanks for looking.