Archival Methods Warm White 4-Ply 100% Museum Board (16 x 20", Package of 25)

BH #AR16204PP25 • MFR #43-408
Archival Methods
Key Features
  • Thickness 1/16"
  • 100% Cotton Fiber (99% Alpha Cellulose)
  • Acid-Free
  • Archival Grade
This pack of 16 x 20" Warm White 4-Ply 100% Museum Board from Archival Methods contains 25 boards that are 1/16" thick. The board is designed for matting, mounting and preservation of fine prints, precious documents, as well as for traditional and digital photography. The 4-ply thickness is ideal for window mats and mat backing, creates a separation between artwork and glazing, and provides a flat, supportive backing.
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Expected availability: 7-10 business days
$119.80
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Archival Methods 43 Overview

This pack of 16 x 20" Warm White 4-Ply 100% Museum Board from Archival Methods contains 25 boards that are 1/16" thick. The board is designed for matting, mounting and preservation of fine prints, precious documents, as well as for traditional and digital photography. The 4-ply thickness is ideal for window mats and mat backing, creates a separation between artwork and glazing, and provides a flat, supportive backing.

The boards are acid- and lignin-free and use alkaline or neutral sizing. No brightening agents are used and no yellow cast is present. All boards are buffered with calcium carbonate to ensure that a polluted environment won't cause paper's pH value to decrease with age.

Made from 100% Cotton fiber pulp (99% Alpha Cellulose). 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 150 ppm and copper does not exceed 6 ppm. 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
Calcium carbonate buffered with 2 to 3% alkaline reserve
Acid-free
Light-fast and non-bleeding color dyes
Won't degrade or harm mounted matted artwork
Board passes the PAT (Photographic Activity Test) ISO 14523 (formerly ANSI IT9.16)
Lignin content is tested by TAPPI 236 cm-85 and has a Kappa number of less than five
Single ply sheets are laminated together using all natural starch adhesive

Archival Methods 43 Specs

Dimensions (W x L)16 x 20" / 40.6 x 50.8 cm
ColorsWarm White / Warm White
MaterialCotton Fiber
Ply Thickness4-Ply
pH BalancepH 9 ± 0.5
Quantity25
Packaging Info
Package Weight11.3 lb
Box Dimensions (LxWxH)21.4 x 17.3 x 1.5"
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