Flap Envelopes In Stock

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Flap Envelopes
  • Application

    These archival envelopes are good for storing documents, photos, prints, sheet music, and other flat items in your collection.

    Sizes: 6 x 9 • 9 x 12 • 11-1/2 x 15-1/2

    Quantity: package of 50

    Color: may vary from white to cream

    Related Products: Flap Envelopes Open on Long Side are a heavier weight card stock

    Note: the 6 x 9 Envelopes have back seams on both edges which is recommended for archives. The 9 x 12 and 11-1/2 x 15-1/2 have a center seam.

  • Features

    Flap 2-1/2 inch non-adhesive flap is located on the short side, flap folds over to keep the items safe yet accessible

  • Specifications

    Acid-Free - Yes

    Lignin-Free - Yes - lignin content is measured by the phloroglucinol test with a Kappa number of 5 or less

    Buffered - Yes - contains a minimum of 3% calcium carbonate (CaCO3) with a pH range 8-9.5

    P.A.T. passed the Photographic Activity Test ISO 18916

    Weight 7-point archival card stock

    Composition made from high alpha cellulose pulp. Does not contain any post consumer waste recycled pulp. Paper is free of metal particles, waxes, plasticizers, residual bleach, peroxide, sulfur content is less than 0.0008% reducible sulfur.

    Sizing alkaline or neutral sizing are used. No alum rosin or rosin sizing are used.

    Dyes color pigment dyes are light-fast and non-bleeding

    Metallic Impurities iron will not exceed 150 ppm and copper will not exceed 6 ppm

    Optical Brighteners - No, none are used

  • Resources
Flap Envelopes - Flap on Short Side
PKG of 50
ITEM# : QTY. 1 : QTY. 2-9 : QTY. 10+ : ORDER :
6 x 9''
PKG of 50
21-001 $32.80 $30.20 $28.85
9 x 12''
PKG of 50
21-003 $52.20 $48.00 $45.90
11-1/2 x 15-1/2''
PKG of 50
21-004 $70.60 $64.95 $62.10