- For Matting & Mounting Fine Art Prints
- Acid and Lignin-Free Cotton Fiber
- Protected Against Acidic Destruction
- 100% Cotton Fiber
The 25-pack antique white 32 x 40" 2-Ply 100% Cotton Museum Board from Archival Methods� is suitable for matting, mounting, and preserving valuable documents, fine prints, and photographs. When used for window mats and mat backing for small prints, the 2-ply thickness of each museum board provides a 1/32" separation between artwork and glazing, thus providing flat and sturdy support. Made of 100% cotton fiber without any brightening agents, this museum board is acid and lignin-free and ensures protection against the destructive effects a polluted environment might cause as your artwork ages.
- 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 to 3% alkaline reserve; pH 9 � 0.5; and acid-free.
- Color dyes are light-fast and non-bleeding.
- Pass 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 5.
- The single ply sheets are laminated together using all natural starch adhesive.
| Material | Cotton fiber |
| Thickness | 2-Ply / 30 Pt., approximately 0.03" (0.76 mm) |
| Size | 32.0 x 40.0" (812.8 x 1016.0 mm) |
| Packaging Info |
| Package Weight | 70.0 lb |
| Box Dimensions (LxWxH) | 44.0 x 36.0 x 3.0" |
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