Archival Methods Archival White Paper, 120gsm, 4x6", 100 Sheets

Archival Methods Archival Paper is made from high alpha cellulose pulp from purified wood fiber and has a cotton content of 25%. The paper will not degrade or cause harm to your artwork, photographs or documents. It is acid-free and buffered with calcium carbonate for a 2-3% alkaline reserve / pH of 9 ±0.5.• High alpha cellulose pulp from purified wood fiber • Buffered with calcium carbonate 2-3% alkaline reserve, pH 9 +/-0.5, acid-free • Passes the PAT (Photographic Activity Test) ISO IT 18916 • Sulfur content is less than 0.0008% reducible sulfur • Lignin content is tested by TAPPI 236 cm-85 and has a Kappa number of less than five • Paper will not degrade and cause harm to artwork or documentsApplicationsAcid and lignin free white 80lb. text-weight paper is buffered with a 2% calcium carbonate reserve to prevent acid migration and environmental contamination. It is ideal for album pages, interleaving between prints, or for lining when an acid-free surface is needed. NARA (National Archives and Records Administration) recommends buffered paper stock for the storage of all photographic materials (except cyanotypes and dye-transfer images). The degradation of all paper products over time means that the use of non-buffered, neutral paper stock in the storage of photographs can quickly result in an local environment that becomes increasingly acidic. Recent research has shown that the only hazard to alkaline-sensitive photographs its prolonged exposure to water (which, of course, should always be avoided in any case).