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Board & Paper
Paper & Tissue
Archival Thin Paper 45 gsm
This white paper is specifically design as an interleaving paper for artwork and documents. The light weight paper has the thinness of a tissue and the stiffness of paper making it easy to handle and use. The paper had a weight of 45gsm providing a slight transparency which allows for identification of an image without removing the interleaving sheet. It is available in cut sheet sizes as well as rolls sized for contemporary ink jet papers.
Acid and lignin free purified wood pulp with 2-3% calcium carbonate buffering. This is the requirement of ISO IT18902 for photographic and ink jet prints (except cyanotypes and dye-transfer images). Paper passes the PAT test ISO IT 18916 The Photographic Activity Test.. Smooth surface on both sides.
Archival Solution of the Week Blog: Archival Thin Paper
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 documents.
Note: Some suppliers of archival products are providing confusing information about the use of un-buffered boards and papers with photographic materials. Black-white and color photography (both conventional and digital output) should have mounts or enclosures made from buffered paper. This is the recommendation from the latest ISO document 18902, “Photographic Films, Papers Filing Enclosures”. The only items that need matting or storage in un-buffered papers are cyanotypes (architectural blue prints) and protein based textiles. ISO18902 is available at www.ansi.org