4-Flap Enclosures

4 flap envelopes offer comprehensive mechanical and climatic protection for glass plate negatives and photographs. The four flaps protect your image material from scratching and prevent possible glass breakage. Ideally, glass plate negatives should be stored standing on their edge, not tilted, in an archive box.

4-flap enclosure - 4,5 x 6

4.5 x 6 cm (L x B)

Enclosures made of 100 % cotton fibre, for required uniform pressure from all 4 sides on negative film and glass plate negatives. 80 gsm, cream-coloured, unbuffered, pH 6,8-7,0. These enclosures offer excellent fold endurance and strong scores to make creasing easy. These 4-flap enclosures have successfully passed the Photographic Activity Test (PAT, ISO Standard 14523 replaced by ISO 18916) performed by the Image Permanence Institute in Rochester, USA. Please feel free to contact us for the detailed test results. int. format: 4,5 x 6,0 cm,unit price

Art.-Nr.: 140196-M

from €1.18*

Details

4-flap enclosure - 6 x 9

6 x 9 cm (L x B)

Enclosures made of 100 % cotton fibre, for required uniform pressure from all 4 sides on negative film and glass plate negatives. 90 gsm, cream-coloured, unbuffered, pH 6,8-7,0. These enclosures offer excellent fold endurance and strong scores to make creasing easy. These 4-flap enclosures have successfully passed the Photographic Activity Test (PAT, ISO Standard 14523 replaced by ISO 18916) performed by the Image Permanence Institute in Rochester, USA. Please feel free to contact us for the detailed test results. int. format: 6,0 x 9,0 cmunit price

Art.-Nr.: 99749

from €0.37*

Details