Mitsui SG (older) ATIP: 97m 27s 55f Disc Manufacturer: Mitsui Toatsu Chemicals, Inc. Reflective layer: Dye (Short strategy; e.g. Phthalocyanine) Media type: CD-Recordable Recording Speeds: min. unknown - max. unknown nominal Capacity: 650.85MB (74m 05s 10f / LBA: 333235) Mitsui Media (old) ATIP: 97m 27s 55f Disc Manufacturer: Mitsui Toatsu Chemicals, Inc. Reflective layer: Dye (Short strategy; e.g. Phthalocyanine) Media type: CD-Recordable Recording Speeds: min. unknown - max. unknown nominal Capacity: 650.85MB (74m 05s 10f / LBA: 333235) Mitsui Advanced Media Golden Dye (new) ATIP: 97m 27s 56f Disc Manufacturer: Mitsui Toatsu Chemicals, Inc. Reflective layer: Dye (Short strategy; e.g. Phthalocyanine) Media type: CD-Recordable Recording Speeds: min. unknown - max. unknown nominal Capacity: 702.83MB (79m 59s 74f / LBA: 359849) Highly recommended brand by everyone. Praised audio quality by some audiophiles. However, half of the ones I burned 4 years ago are becoming unreadable. both Mitsui SG and Mitsui Media, burned both with a Yamaha and a Teac drive. I haven't enough old CDRs from other brands to advice something else. I've got some Verbatim from 5 years ago that are OK, but some Mitsuis from 5 years ago are OK too. There is nothing visible on the optical side. No oxidation of the silver, no fingerprints, no scratches.