Offer an added dimension of design possibilities with Bainbridge Artcare UltraThick matboards.  

The deeper bevel on Ultra Thick mats provide a classic museum-style look that creates extra depth with dramatic appeal & impact to your artwork, and adds more depth to your bottom line too!

  • Archival White Core - Specially formulated, solid white archival, lignin-free core, for clean, consistent bevels and unmatched cut quality.
  • Artcare Archival Protection - All Alphamat matboards feature Artcare MicroChamber Technology, for advanced protected against harmful pollutants.
  • Easy to cut - being only 7-ply thickness rather than 8-ply, UltraThick mats are easier to cut on more brands of matcutters, while still delivering the dramatic depth and appeal.
  • 12 Popular Colours - Artcare UltraThick matboard are available in 12 of our most popular Alphamat colours, including 2 black cores as well.
  • Oversize - All 12 Artcare UltraThick matboards are available in both standard 32" x 40" and 40" x 60 as well.
  • Environmentally Friendly - Nielsen Bainbridge is committed to meeting the highest environmental standards in the industry. They only use environmentally sound adhesives, colourants that won't contaminate waterways, and recycled materials wherever feasible. In addition, our pulp comes only from farm-grown trees, so for every tree consumed, another is planted.
  • Jumbo 4"in Corner Samples - Bainbridge was the first matboard manufacturer to introduce user-friendly, jumbo sized, 4" corner samples, which help you easily demonstrate to the client the use of wider margins, and help maximise your sale value.
  • Bevel Cut Samples - all UltraThick matboard samples come with  pre-cut bevels, so your customers can see the value in choosing an UltraThick matboard for their mat design.


When you choose Artcare matting products, you give your customer's art far more protection than any other conservation product can. Artcare patented Micro Chamber technology protects art from being aged, faded and deteriorated by harmful pollutants and acid by-products in the environment within the framed piece.


Bainbridge Artcare UltraThick matboard meets & exceeds the highest conservation standards. Bainbridge Artcare UltraThick also exceeds the standards also for the FINE ART TRADE GUILD and also the Library of Congress. Click here for further detail on these standards. 

The major specs of Artcare Matboard are as follows: 

  • Furnish - Virgin Alpha-cellulose fibre which exceeds the most stringent standards for stability and permanence. Test conducted in accordance with TAPPI Method T-236 om-85 indicate the board to be free of groundwood and lignin.
  • pH Value - An alkaline pH of 8.9 ± 0.4 indicated using TAPPI method T-509 om-88 cold extraction on slurried pulp. 
  • Buffer - Alkaline reserve of 3-5% is measured by ANSI IT9.2-1991 Sec 5.2
  • Molecular Traps (ARTCARE MICROCHAMBER TECHNOLOGY) - Contains "Zeolites" molecular traps synthesized specifically for absorption of air pollution gases and degradative by-products of artwork and photographic media.
  • Colour Fastness - Fade resistance established using a Xenon Fadometer in accordance with ASTM D3424. Alphamat Artcare colours shifted less than 2.5 point brightness shift. Also as per FACTS standard #07-12-01 - product must exhibit no colour change after 36hrs in a weatherometer.
  • Resistance to Aging - Samples tested in air circulation oven for 12 days at 100° C and for 10 days in temperature humidity chamber at 100° F and 90% relative humidity. All board components remained unchanged in appearance and strength.
  • Sizing & Adhesives - Alkaline-based sizing is used. Water-based alkaline adhesive with no solvents is used to adhere component parts of Alphamat boards. 

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