MACO Glassine Negative Sleeves for 5x7' (13x18cm) sheet film | 100 sheets
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- Order number: GNHPP13
- Gewicht (in KG): 1
Product information MACO Glassine Negative Sleeves for 5x7' (13x18cm) sheet film | 100 sheets
|For use with::||13x18 cm Planfilm, 5x7' Sheet Film|
|Outside measurements:||24,5 × 31 cm|
|Pocket measurements:||21 × 14,5 cm|
|Anzahl Blatt:||100 Sleeves|
MACO Glassine Sleves for archiving 5x7'' sheet film negatives.
These negative sleeved are made of finely-ground pulp paper which is largely greaseproof, but has a low wet strength. The high level of transparency is achieved by a special mechanical treatment called calendaring. MACO glassine sleeves are made of acid- and lignin-free photo glassine.
Each sleeve holds 2 negative or transparencies
Museum quality, document safe
Acid- and lignin-free
Highly suitable for archiving
Glassine releases moisture
Outside measurements: 24,5 × 31 cm
Pocket measurements: 21 × 14,5 cm
Photographic Activity Test – PAT
PAT is a worldwide established standard and is considered as an important seal of approval for the quality of archive materials.
The test evaluates materials for its long term archival quality and their use in photographic enclosures. It involves incubating samples and detectors in a high-temperature (70 °C), high-humidity (86 %) accelerated aging environment.
ISO 18916:2007 evaluates possible chemical interactions between enclosures with processed silver-gelatin, colour (dye-gelatin), inkjet prints made with dye-based and pigment-based inks, thermal dye diffusion transfer (“dye sub”) prints, digitally printed dye-diffusion-transfer prints, liquid- and dry-toner xerographic prints, liquid-toner electrostatic prints, and diazo images after long-term storage.
MACO Glassine Negative Sleeves are certified to ISO 18916: 2007 and meet the high requirements of the Photographic Activity Test (PAT).