... immediately. Production:Using reflective, tinted, patterned, or low-e glass, IGU’s are produced by adhering an aluminum ... , it is ideal to have an interior low-e pane and exterior tinted or reflective pane. ... and heat transfer even further. Specifications: Available glass types for IGU:Low-E, tinted, reflective, tempered, curved tempered, ... ")Spacer Fill: Dry Air, Argon Double Glazed Window Glass