Heritage® Audio Cassette Boxes
Description
These acid-free boxes are designed for proper archival storage of audio cassettes in their jewel cases.
Made from our Heritage® Archival Corrugated Boards. All boards are made from 100% bleached alpha cellulose, and pH neutral adhesive. Our Heritage boards are buffered with 3% calcium carbonate and have a pH of 8-9.5. They meet the ANSI IT 9.16 / ISO 14523-1999 (PAT test), and the Permanency of paper in Library and Archives.
Both sized boxes have 1.5" deep lids.
All boxes are shipped flat, and will assemble without glue.
Made from our Heritage® Archival Corrugated Boards. All boards are made from 100% bleached alpha cellulose, and pH neutral adhesive. Our Heritage boards are buffered with 3% calcium carbonate and have a pH of 8-9.5. They meet the ANSI IT 9.16 / ISO 14523-1999 (PAT test), and the Permanency of paper in Library and Archives.
Both sized boxes have 1.5" deep lids.
All boxes are shipped flat, and will assemble without glue.
Technical Information
Specifications
- 100% bleached alpha cellulose
- Without the use of recycled or wooden fibers
- No optical brighteners
- Kappa level: 1 - 2 = lignin-free (TAPPI T 236 om-99)
- pH cold extraction: 8.0 - 9.5 (TAPPI T 509 om-02)
- Alkaline reserve (buffer) > 3% calcium carbonate
- Adhesive: Potato starch, ph 7.0, moisture proof.
Certification
ANSI IT 9.16 / ISO 14523-1999 (PAT test)
ISO 9706 - Permanency requirements for paper
ANSI / NISO Z.39.48-1992 Permanence for paper in Library and Archives
- 100% bleached alpha cellulose
- Without the use of recycled or wooden fibers
- No optical brighteners
- Kappa level: 1 - 2 = lignin-free (TAPPI T 236 om-99)
- pH cold extraction: 8.0 - 9.5 (TAPPI T 509 om-02)
- Alkaline reserve (buffer) > 3% calcium carbonate
- Adhesive: Potato starch, ph 7.0, moisture proof.
Certification
ANSI IT 9.16 / ISO 14523-1999 (PAT test)
ISO 9706 - Permanency requirements for paper
ANSI / NISO Z.39.48-1992 Permanence for paper in Library and Archives