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Archival Barrier Paper Roll 815mm x 30m
Stock Code.
AC401BP
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Heritage Archival pHotokraft™ 350gsm White Barrier Paper Roll 815mm x 30.4mtrs This 350gsm white barrier paper comes in roll format, and is made from buffered alpha-cellulose paper & suitable for conservation applications for the protection of artwork on paper. Specifications • pH7.5 to
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Description
Heritage Archival pHotokraft™ 350gsm White Barrier Paper Roll 815mm x 30.4mtrs This 350gsm white barrier paper comes in roll format, and is made from buffered alpha-cellulose paper & suitable for conservation applications for the protection of artwork on paper. Specifications • pH7.5 to 9.5 (unbuffered 6.5 to 8.5) BS2924 ISO6588:1981 • Acid-free and lignin-free (ASTM D1030/ISO 302) • Lightfast and bleed-proof pigments - min 5 BlueWool Scale test (BS1006:97 and TAPPI T475) • Neutral AKD internal sizing, external tub-sized/starch • Buffered (average 3%) calcium carbonate (ISO 9706:2004) (Unbuffered, no calcium carbonate added) • High percentage long kraft fibres • Alpha Cellulose above 87% • Reducible Sulphur less than 0.8 parts per million (0.0008%) (TAPPI T406) • No added OBAs • Passes Silver Tarnish Test (ASTM D2043) • Passes Photographic Activity Test (PAT) (ISO 18916) 
