Polar White - 4 Ply Museum Board In Stock

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Polar White - 4 Ply Museum Board
  • Application

    100% Cotton Mat Board for exceptional quality and archival preservation. Acid-free construction ensures long-lasting protection for valuable artwork and documents.

    Polar White is a cool-tone board with a blue shift made of 100% cotton fiber. It is acid and lignin-free and incorporates alkaline or neutral sizing. 4-Ply / 60 Pt. (Approximately 1/16’’)

    Don’t see the size you need? Order the next size up and we’ll cut the package down at no extra charge. During check out you can specify that you want board, paper, or acrylic sheets cut to a custom size under Special Instructions in the Payment section. Please note, we will only cut an entire package down to one size, not multiple sizes.

    This is for matboard only—no window openings. See Window Mat Cutting section to order Pre-cut or Custom Window Mats.

  • Features

    All boards are buffered with calcium carbonate. This ensures protection from the destructive effects of acid migration from the matted work and from a polluted environment that might cause the pH of the mat board to decrease (become more acidic) with age.

    No optical brightening agents are used in the manufacture of our 100% cotton Museum Board.

  • Specifications

    4-Ply / 60 Pt. (Approximately 1/16’’)

    100% Cotton fiber pulp (99% Alpha Cellulose). It does not contain any post consumer waste recycled pulp. Paper is free of metal particles, waxes, plasticizers and residual bleach peroxide. Sulfur content is less than 0.0008% reducible sulfur. Iron content does not exceed 150ppm and copper does not exceed 6ppm. No optical brightening agents are used in the pulp.

    Alkaline sizing is used for both internal and external sizing. No alum is used in the manufacturing process.

    Buffered with calcium carbonate 2-3% alkaline reserve, pH 9 ±0.5, acid–free.

    Color dyes are light-fast and non-bleeding.

    Board will not degrade and cause harm to mounted matted artwork.

    Board passes the PAT (Photographic Activity Test) ISO IT 18916 (formerly ISO 14523 ANSI IT9.16).

    Lignin content is tested by TAPPI 236 cm-85 and has a Kappa number of less than five.

    The single-ply sheets are laminated with Ethylene Vinyl Acetate adhesive.

    Note: Some suppliers of archival products are providing confusing information about the use of un-buffered boards and papers with photographic materials. Black-white and color photography (both conventional and digital output) should have mounts or enclosures made from buffered paper. This is the recommendation from the latest ISO document 18902, “Photographic Films, Papers Filing Enclosures”. The only items that need matting or storage in un-buffered papers are cyanotypes (architectural blue prints) and protein based textiles. ISO18902 is available at www.ansi.org

  • Resources

    To make the most accurate selection order Mat Board Samples to see the full range of colors and thicknesses available.

4 Ply Polar White Museum Board - PKG of 25 ITEM# : QTY. 1 : QTY. 2-9 : QTY. 10+ : ORDER :
5 x 7'' Polar White - 4 Ply
PKG of 25
96-425 $30.70 $28.25 $27.05
8 x 10'' Polar White - 4 Ply
PKG of 25
96-401 $47.60 $43.75 $41.85
9 x 12'' Polar White - 4 Ply
PKG of 25
96-402 $85.60 $78.75 $75.35
11 x 14'' Polar White - 4 Ply
PKG of 25
96-403 $114.90 $105.70 $101.10
11 x 17'' Polar White - 4 Ply
PKG of 25
96-404 $131.95 $121.40 $116.10
12 x 16'' Polar White - 4 Ply
PKG of 25
96-405 $125.15 $115.15 $110.15
13 x 19'' Polar White - 4 Ply
PKG of 25
96-406 $149.70 $137.70 $131.75
14 x 18'' Polar White - 4 Ply
PKG of 25
96-407 $153.60 $141.30 $135.15
16 x 20'' Polar White - 4 Ply
PKG of 25
96-408 $184.75 $169.95 $162.55
4 Ply Polar White Museum Board - PKG of 15 ITEM# : QTY. 1 : QTY. 2-9 : QTY. 10+ : ORDER :
17 x 22'' Polar White - 4 Ply
PKG of 15
96-427 $146.60 $134.85 $129.00
20 x 24'' Polar White - 4 Ply
PKG of 15
96-409 $209.10 $192.35 $184.00
22 x 28'' Polar White - 4 Ply
PKG of 15
96-410 $305.35 $280.90 $268.70
24 x 30'' Polar White - 4 Ply
PKG of 15
96-411 $364.00 $334.90 $320.35
32 x 40'' Polar White - 4 Ply
PKG of 15
96-400 $373.45 $343.55 $328.65