Request InfoEpolinEpolin Inc. has introduced its Epolite Near Infrared Absorbing Dyes for protective eyewear, instrumentation filters and heat shield glazing. The company says that the Class V dyes have excellent thermal and light stability, and can be processed in extruded polycarbonate at temperatures greater than 600 °F. They are soluble in a number of organic solvents and can be color balanced to a gray or blue/gray appearance. 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