• 4 Flap Enclosure
    • 4 Flap Enclosure
    • 4 Flap Enclosure
    4 Flap Enclosure

    BE1

    4 Flap Enclosure

    Rf. 408092
    Format Guide
    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.

    Material
    Measures B Folders (LxW)
    Weight
    Quantity
      Available

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    Made from unbuffered 100% cotton paper or  Unbuffered pHotokraft™ 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.

    Material:  DA2 100% cotton paper | DA2 Unbuffered pHotokraft™ Paper

    Colour: White

    Weight: 80 | 90 g/m2

    Specifications:

    DA2 100% cotton paper

    - 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


    DA2 Unbuffered pHotokraft™ Paper

    - Alpha Cellulose above 87%

    - High percentage Long Kraft fibres

    - pH 6.5 - 8.5

    - Unbuffered

    - 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)

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