4 Flap Enclosure with spine

Rf. 400539

Format Guide

Format Guide
How to measure

DIN and folio paper formats

A5	210 × 148.5 mm
A4	297 × 210 mm
Folio	315 × 215 mm
Extended Folio	346 × 248 mm
A3	420 × 297 mm
A2	594 × 420 mm
A1	841 × 594 mm
A0	841 × 1189 mm

Photography formats

P1	203 × 254 mm
P2	254 × 305 mm
P3	305 × 406 mm
PX	356 × 279 mm
P4	406 × 508 mm
P5	508 × 610 mm

Glass plate formats

P0	127 × 178 mm
PZ	254 × 178 mm

How to measure

The measurements are placed in order of length x width (or depth) and height. (LxWxH)

For a 2-dimensional object, such as a painting or a sheet of paper, the measurements are placed in the order of length and width.

For example, if a painting measures 70 cm long and 50 cm wide, it would be written as 70 x 50 cm. (LxW)

Box measurements:

The Internal Measurements of the box are the useful size of the box. That is, the measures that you can take advantage of for storage.

The External Measurements are when the box is completely closed.

Photo formats

Measures B Folders (LxW)

Weight

Quantity

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Made from unbuffered 100% cotton paper, these single piece die-cut enclosures are cruciform-shaped, have four flaps and they are seamless and adhesive free.
Designed for the storage of photographic glass plates, film negatives and prints. These enclosures are available in most common glass plate sizes, and specific sizes and designs can be made upon request. Photographic glass plates can be stored safely with no risk of pressure marks and can also be viewed without being removed from their protective coating by just unfolding the flaps.

Colour: White
Weight: 250 g/m²

Specifications:

- 100% cotton fibre
- pH 6.7
- Unbuffered
- Non satin surface to allow maximum transpiration
- Glue free
- O.B.A.'s free (optical brightening agents)
- Reducible sulphur, as S, mg/kg, (ppm) less than 1
- Low ash content: 0,06%
- ANSI Photographic Activity Test IT9.2 (ISO 10214)
- Silver Tarnish Test
- Long Life ISO 9706 (Permanence Test)

PAT ANSI ISO 18916 LONG LIFE ISO 9706 1994 UNBUFFERED SIN RESERVA ALCALINA 100% COTTON FIBRES FIBRAS 100% ALGODÓN