32x40 Full Sheets are uncut directly from manufacturer and are not exactly 32x40. They may be 1/16" undersize and up to 1/4" oversize, and not square.
Full sheet mat boards may require additional processing time.
Bainbridge 4-Ply Artcare™ AlphaRag Mat Board – 1/16 inch thick, 100% cotton, ACID FREE museum-quality preservation mat board. Actively protects from airborne pollutants. Reduces yellowing and fading. Free of ground wood and lignin. Fade and bleed resistant. Conservation quality matboard.
If you are not sure about the color you can order our Color Matboard Sample Kit or stop by a store such as Michaels and view their Bainbridge mat samples.
Need backing board? It is sold separately here:
Mount Board, Foam Board and Foamcore
Solid core mat board constructed of four plies of cotton for superior rigidity, strength, and consistent color throughout, including the bevel. This matboard is treated with the Bainbridge Artcare™ Archival System with MicroChamber® technology allowing it to actively protect the image from airborne pollutants and acid by-products within the picture frame.
Recommended for valuable works of original art, rare and antique documents, fine art prints, limited edition prints, and photographs.
Guaranteed color consistency. Meets and exceeds FACTS Guide for Permanence in Mat and Mounting Boards. Mat board is buffered to maintain alkaline pH with an Alkaline reserve of 3-5% as measured by ANSI IT9.2-1991 Sec 5.25.