Model Number: GX-CDR-012-1 Brand Name: OFISBEST Key Specifications/Special Features: Maximum capacity: 80 minutes/700MBDesigned for optimum performance in CD-R writers with multi-speed (1 to 52x) Substrate: polycarbonateWriting layer: cyanine dye, super cyanine dye provides zero wave distortionReflective layer: Ag (silver)Protection layer: acrylicDurable, long lasting archives, excellent performanceExcellent light stabilityVery low BLER (block error rate)Best UV and heat resistanceJitter and deviation levels are the lowest in the industryIntensive quality assurance methods are in place during the manufacturing process, providing industry leading yield ratesCompatibility with all CD recorders and duplicators is assured