Furnish on Artcare Archival Products:
High alpha cellulose virgin bleached kraft or virgin cotton rag

Attribute
Test Method
Value
Presence of Lignin TAPPI T236 om-85 Kappa number less than 5
Reducible Sulfur TAPPI T406 om-88 less than 0.008%
Presence of Iron or Copper (furnish only) TAPPI T266 Iron less than 30ppm, Copper less than 1ppm
pH-Cold Extraction (slurried pulp) TAPPI T509 om-88 8.5-9.5
Alkaline Reserve ANSI IT9.2-1991 sec. 5.2 3-5%
Color Retention, Lightfastness ASTM D3424 No loss after 36 hours in Xenon Fadometer
Color Retention, Colorfastness FACTS EXPMMB-2000 sec 10.03 No bleed after 48 hour submersion
Photographic Activity Test (PAT) ANSI IT9.16-1994 Pass
Oxidizing Gas incubation Test ANSI IT9.15-1992 (modified) Pass @1000ppm
Cobb Size Test TAPPI T441 om-90 57/95 g/m2
Weight TAPPI T410 om-93 1 ply 244g/m2, 2 ply 525g/m2, 4 ply 1051g/m2, 8 ply 2107g/m2, 12 ply 3153g/m2
Thickness TAPPI T411 om-93 1 ply 0.3 mm, 2 ply 0.72 mm, 4 ply 1.5 mm, 8 ply 3.0 mm, 12 ply 4.5 mm
Acid Gas Adsorption Test (SO2 and NO2) Gas exposure at 30ppm, adsorption measured by cessation of weight gain SO2: 0.13 g adsorbed/gram zeolite NO2: 0.058 g adsorbed/gram zeolite

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