Archival Four-Flap Enclosures for Glass Negatives and Ambrotypes, 13 × 18 cm – Pack of 10

Archival Four-Flap Enclosures for Glass Negatives and Ambrotypes, 13 × 18 cm – Pack of 10

Four-flap archival enclosures designed for the individual protection and storage of glass plate negatives, ambrotypes, and other photographic materials measuring 13 × 18 cm.

The four folding flaps cover the glass plate on all sides, helping to protect it from dust, dirt, and direct contact with other stored objects. The enclosure requires no adhesives or additional fasteners.

Made from white paper containing 100% cotton cellulose, with a neutral pH of 7.0, no alkaline reserve, and no optical brighteners. The material has passed the Photographic Activity Test (PAT), confirming its suitability for direct contact with photographic materials.

These enclosures are suitable for photographic studios, museums, archives, and private collections. They can be used as individual protective enclosures before placing glass plates in compartmentalised archival storage boxes.

Specifications:

• Plate format: 13 × 18 cm

• Design: four-flap archival enclosure

• Material: 100% cotton cellulose

• Paper weight: 95 g/m²

• pH: 7.0 (neutral)

• No alkaline reserve

• Free from optical brighteners

• PAT tested (Photographic Activity Test)

• Colour: white

• Quantity: 10 enclosures per pack

Applications: Individual protection of historical and contemporary glass plate negatives, ambrotypes, and other photographs made on glass in the 13 × 18 cm format.

See How the Four-Flap Archival Enclosure Works