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These Heritage Archival pHotokraft™ papers combine strength and purity. Designed for use as conservation storage, bookbinding, long life printing and photocopy paper. Acid and lignin-free, these long kraft fibre papers are manufactured to the highest archival standards, offering excellent die cutting and creasing performance. All colours are light fast and bleed proof. Made without the use of Optical Brightening Agents (OBA’s). Both 100% virgin pulp and pure clean water are used in its production. They are internally and externally ‘Tub’ sized which improves fold strength, resistance to water, surface abrasion and ensures good printability.
Colour: Neutral Grey
Weight: 350 | 230 | 170 | 120 | 90 g/m2
Specifications:
- Alpha Cellulose above 87%
- High percentage Long Kraft fibres
- pH 7.5 - 9.5
- Buffered (average 3%) calcium carbonate (ISO 9706:2004)
- Acid-free
- Neutral AKD internal sizing
- External Tub sized / Starch
- Lignin-free
- O.B.A.'s free (optical brightening agents)
- Reducible Sulphur less than 0.8 parts per million (0,0008%) (TAPPI T406)
- P.A.T. Photographic Activity Test (ANSI ISO 18916)
- Silver Tarnish Test (ASTM D2043)
- Lightfast and bleed proof pigments (BS1006:97 & TAPPI T475)
- Long Life ISO 9706 (Permanence Test)
- Permanent storage (folders and envelopes)
- Interleaving
- Long Life printing
- Photocopying