The first organic dye (cyanine) used for CDRs back in the '90s rotted faster than the more expensive phthalocyanine (20-50 years vs 50-100 years)[1]. [1] https

The first organic dye (cyanine) used for CDRs back in the '90s rotted faster than the more expensive phthalocyanine (20-50 years vs 50-100 years)[1]. [1] https://www.canada.ca/en/conservation-institute/services/conservation-preservation-publications/canadian-conservation-institute-notes/longevity-recordable-cds-dvds.html https://www.canada.ca/en/conservation-institute/services/con...