Archival Methods Slide File Box 11-3/8x2 x 2-3/8', 3 Pack, Tan
- Made from fully bleached, high alpha cellulose pulp. It does not contain any post consumer waste recycled pulp..
- Paper is free of metal particles, waxes, plasticizers, residual bleach, peroxide, sulfur content is less than 0.0008% reducible sulfur..
- The lignin content is measured by the phloroglucinol test with a Kappa number of 5 or less..
- Metallic Impurities, Iron will not exceed 150 ppm and copper shall not exceed 6 ppm. No optical brightening agents are used in the pulp..
- The paper contains a minimum of 3% calcium carbonate (CaCO3) with a pH range 8-9.5.
