Alkaline Buffered Mat Board

Conservation mat board is acid and lignin free and uses alkaline or neutral sizing. 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. All buffered ragmat museum boards will have an alkaline ph between 7 5 9 0.

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Amazon Com Archival Methods Conservation Mat Board 11x14 2 Ply Pearl White Package Of 25 Home Kitchen

Papermat Mat Board Frame Destination

Types Of Matboard

The Materials Of Mat Board

Lineco Archival Corrugated Backer Board Blick Art Materials Backer Board Corrugated Art Materials

Archival Methods Mat Board 11x14in 4 Ply Pearl Wht 25pk 97403

Un buffered museum mat board.

Alkaline buffered mat board. Unbuffered matboards are naturally acid free and lignin free. This buffering agent raises the ph level of the paper to the alkaline side of the scale. There are some items though that prefer a low alkaline environment. Calcium carbonate chalk is often added to paper pulp during the paper making process as a buffering agent or buffer.

Ragmat unbuffered solid museum matboard is 100 cotton and used for photographs and textiles that require a low alkaline environment. Review archival methods 97. Also availabe in full sheets 32x40. This prevents degradation due to chemical reactions between the buffering agent and the materials in the art.

Blick black core pre cut mats come in traditional and digital formats. All unbuffered ragmat museum boards will have a neutral ph between 7 0 7 5 tappi method t 509 om 88 cold extraction on slurried pulp. Buy archival methods 2 ply pearl white conservation mat board 11 x 14 25 boards featuring for artwork photos and documents acid lignin free made from purified wood pulp calcium carbonate buffered warm tonality. Mat board is available in two four and eight ply thickness.

Surface papers are fade and bleed resistant. Although the vast majority of framing mat and mount boards are buffered a small selection of types and colors are available unbuffered. So what is the buffer in paper and board. These pre cut 4 ply mats are made from high quality matboard with a black bevel core surface and backing papers that are buffered and ph neutral.

Buffering is a process where calcium carbonate or magnesium carbonate is added to mat board to make it more alkaline and therefore more likely to absorb acids and other environmental pollutants. For most materials mat board should be acid free alkaline buffered and lignin free with the exception of the alkaline sensitive materials mentioned earlier. Meets and exceeds facts guide for permanence in mat and mounting boards. The boards are buffered with calcium carbonate for added protection from ambient conditions that often cause the ph of paper to decrease with age pearl white has a warm tonality when compared to the company s bright white museum board similar to antique white.

For these materials an unbuffered 100 cotton rag board is available.