Looking for streched (oriented) polycarbonate or polysulfone film. Thickness ranges from 7 mil to 15 mil, and retardation value (thickness times the in-palne refractive index difference) must be higher than 4000 nm. Thanks in advance.
-Qu
Looking for streched (oriented) polycarbonate or polysulfone film. Thickness ranges from 7 mil to 15 mil, and retardation value (thickness times the in-palne refractive index difference) must be higher than 4000 nm. Thanks in advance.
-Qu
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