These chemises are perfect for the storage of loose documents such as papers, prints, drawings, photographs, etc.
Material: Heritage Archival pHotokraftTM buffered paper
Colour: White
Weight: 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)