Curved Film
Detailed introduction
Polarized films have big tensile strength at yield point and low elongation so it itself is difficult to be used as the lens of glasses.
For the lens, it should be in the curve shape. PT&T manufactures curved films for the lens manufacturers.
At PT&T, curved films with various curvatures of 2, 4, 6, and 8 are available. Brown and gray are the basic colors of the films and by the request of customers, fashion colored products with 15~40% transmissivity are available too.
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