This plastic polarizing sheet came from Surplus Shed. It is about
0.01" thick, and one side has adhesive backing covered with 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.