Envelope with thumb notch

    BC1

    Envelope with thumb notch

    Rf. 408071
    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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    These envelopes are glued with specially formulated neutral conservation adhesive Evacon-RTM on two sides. With thumb notch, without flap.

    Material: Heritage Archival pHotokraftTM buffered paper
    Opening (side): short
    Colour: White
    Weight: 90 g/m2

    Specifications: Heritage Archival pHotokraftTM buffered paper 

    - Alpha Cellulose above 87%
    - High percentage Long Kraft fibres
    - pH 7.5 - 9.5
    - Buffered (average 3%) calcium carbonate (ISO 9706:2004)
    - 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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