Forming shrinkage: 0.5%~0.7%; Forming temperature: 230~320'C; The size features great stability, corrosion resistance and durability; Polarized degree: 99%; Quality class: A+; Lens angle can be bent 125'C; Temperature resistance: -22'C~110'C; Suitable for 3D theater, 3D projector, 3D TV and Read-D polarized audio system