Do:
-
Handle discs by the outer edge or the center hole.
-
Use a non-solvent-based felt-tip permanent marker to mark the label side of the disc.
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Keep dirt or other foreign matter from the disc.
-
Store discs upright (book style) in plastic cases specified for CDs and DVDs.
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Return discs to storage cases immediately after use.
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Leave discs in their packaging (or cases) to minimize the effects of environmental changes.
-
Open a recordable disc package only when you are ready to record data on that disc.
-
Store discs in a cool, dry, dark environment in which the air is clean.
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Remove dirt, foreign material, fingerprints, smudges, and liquids by wiping with a clean cotton fabric in a straight line from the center of the disc toward the outer edge.
-
Use CD/DVD-cleaning detergent, isopropyl alcohol, or methanol to remove stubborn dirt or material.
-
Check the disc surface before recording.
Do not:
-
Touch the surface of the disc.
-
Bend the disc.
-
Use adhesive labels.
-
Store discs horizontally for a long time (years).
-
Open a recordable optical disc package if you are not ready to record.
-
Expose discs to extreme heat or high humidity.
-
Expose discs to extremely rapid temperature or humidity changes.
-
Expose recordable discs to prolonged sunlight or other sources of ultraviolet light.
-
Write or mark in the data area of the disc (the area the laser “reads”).
-
Clean by wiping in a direction going around the disc.
For CDs especially do not:
-
Scratch the label side of the disc.
-
Use a pen, pencil, or fine-tip marker to write on the disc.
-
Write on the disc with markers that contain solvents.
-
Try to peel off or reposition a label.

text adapted from: Care and Handling of CDs and DVDs: A Guide for Librarians and Archivists. Fred Byers. October 2003.
Council on Library and Information Resources. National Institute of Standards and Technology.