Flap Envelopes

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  • Application

    For optimal protection, use in conjunction with Side Loading Print Sleeves and then store envelopes in one of our archival Document or Drop Front Boxes.

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

  • Features

    2-1/2 inch non-adhesive flaps are located on the short side. Constructed of heavyweight 7-point acid- and lignin-free card stock.

  • Specifications

    ArchivalGrade Cardstock 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 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 - PKG of 50 ITEM# : QTY. 1-4 : QTY. 5-9 : QTY. 10+ : ORDER :
6 x 9''
21-001 $25.50 $22.95 $21.70
9 -1/2 x 12-1/2''
21-003 $36.20 $32.60 $30.75
11 -1/2 x 15 -1/2''
21-004 $49.25 $44.35 $41.85
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