Shop for Light Diffusing Polycarbonate Film. Light diffusing polycarbonate films offer certain advantages over sheet materials including lighter weight and the ability to be easily die cut, cold bent, and wrapped into curved shapes. Polycarbonate is often used for light diffuser applications where durability and/or performance at elevated temperatures are required. Makrofol® LM polycarbonate films can be cold bent and “creased” to create complex geometric shapes. Conversion capabilities include: die cutting, guillotining, interleaving, rewinding, sheeting, slitting, spooling, and tipping. Stocked materials typically ship in 2-5 business days. Can’t find what you need? Get a quote.