Soundproofboard

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Barrier boardframing

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An archivally safe board that can be used for making your own custom-sized storage boxes, dividers, heavyweight folders, pamphlet or photographic binders, etc. Acid-free and lignin-free, our non-buffered 40 pt. board is manufactured for those applications where buffering compounds such as calcium carbonate would cause an undesirable reaction with the materials which come in contact with the board including natural history specimens. This attractive tan board is lightfast, non-bleeding and most importantly has no internal polyester barrier which prevents materials from receiving adequate airflow and intensified, unwanted internal chemical reactions. No broken packages. Price per carton of 25 sheets.