Archival Materials

Archival Materials are specifically designed for long-term preservation, using chemically stable components that will not damage stored items over time. Understanding the difference between archival and non-archival materials is essential for protecting your card collection.

Also on this page
  • What Makes Materials Archival
  • Defining "Archival Quality"
  • The Photographic Activity Test (PAT)
  • Why Acid-Free Matters
  • How Acid Damages Cards
  • Sources of Acid
  • Acid Migration
  • PVC-Free Materials
  • The PVC Problem
  • Safe Plastics for Cards
  • Identifying PVC vs Safe Plastics
  • Archival vs Non-Archival Comparison
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This page is part of the Card Conservation Wiki member library — the working reference behind The Cardboard Alchemists. Technique pages with tested settings, the Card Sensitivity Database, logged incidents with the exact parameters that caused them, and community experiments you will not find written down anywhere else.
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