All CD-R discs incorporate a thin dye layer that gets "burned" when you save your data. The stability of that dye layer determines how long your data will be readable. Phthalocyanine (thay-lo-sy-a-neen) dye is extremely stable in a wide range of environmental conditions, providing a platform for long term data storage.

When you "burn" a disc, your writer creates "pits" in the dye layer that make up the "0"s and "1"s for digital recording. Phthalocyanine dye reacts more quickly to the writing laser than other dyes.

KODAK Gold Preservation CD-R uses only Phthalocyanine dye while other CDs use less stable dyes.

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