Flap Envelopes Open On Long Side In Stock

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Flap Envelopes Open On Long Side
  • Application

    These archival envelopes provide safe storage for documents, photos, prints, sheet music, and other flat items in your collection.

    There is no adhesive on the flap, it simply folds over to keep the items safe yet accessible.

    21-002 comes in packages of 50 and they will fit inside Hinge Lid Box #02-009

    21-119, 21-149, 21-1411 come in packages of 25

    Please note that color of envelopes may vary from white to cream.

  • Features

    A 2-1/2 inch non-adhesive flap on the long side of envelope will keep pamphlets and small documents in place. Seams are on the sides to provide equal thickness in storage and prevent file stacks from “fanning”. Constructed of heavyweight, 10-point acid- and lignin-free card stock.

    NOTE: Do not use envelopes with center seams for archival storage. Pressure on the seam from adjoining files will usually fall in the center of the contents and over time may cause damage. Archival Methods does not offer any archival envelopes with center seams.

  • Specifications

    ArchivalGrade Cardstock 10 point Specifications

    Made from fully bleached, high alpha cellulose pulp. It 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.

    The lignin content is measured by the phloroglucinol test with a Kappa number of 5 or less.

    Metallic Impurities, Iron will not exceed 150 ppm and copper shall not exceed 6 ppm. No optical brightening agents are used in the pulp.

    The paper is buffered and contains a minimum of 3% calcium carbonate (CaCO3) with a pH range 8-9.5

    Alkaline or neutral sizing are used. No alum rosin or rosin sizing are used.

    Color pigment dyes are light-fast and non-bleeding.

    This paper passes the PAT (Photographic Activity Test) ISO 14523 formally ANSI IT9.16

Flap Envelopes - Opening on Long Side
Quantities Vary
ITEM# : QTY. 1 : QTY. 2-9 : QTY. 10+ : ORDER :
10-1/2 x 8-1/2''
PKG of 50
21-002 $51.95 $47.80 $45.75
11-5/8 x 9-1/2'' Letter Size
PKG of 25
21-119 $42.90 $39.45 $37.75
14-5/8 x 9-3/8'' Legal Size
PKG of 25
21-149 $46.60 $42.85 $41.00
14-3/4 x 11-1/2'' Flap Envelopes
PKG of 25
21-1411 $53.95 $49.65 $47.50