Due to its special characteristics, the new DVD+RW Double Layer media will only be read and write compatible with new specially designed recorders and read out devices. The read out reflectivity on both layers of the new media is very low when compared with traditional single layer DVD+RW media. Red laser reflectivity is specified between 5 and 10 percent for the new media and 15 to 20 percent for traditional single layer media.
Credit:
BitBurners