Description
Half Back acid free backing boards are the highest quality backing board available anywhere! Made from 100% acid-free, 24 mil thick cardboard to ensure extra rigidity and protection. Produced with a 3% alkaline buffer throughout and maintains ph of 8.0+ to further ensure the preservation of your collectible. Meets strict U.S. Government standards for archival storage.
Features
- 100% Acid Free Backing Boards
- Protects Your Collectibles from the Effects of Aging
- Produced with a 3% Alkaline Buffer
- Maintains ph of 8.0+
- Meets Strict U.S. Government Standards
Measurements
- 100 Pack
- 7” X 10-1/2”
- 24 mil Thick Cardboard
