InSite ACID-FREE ACID-FREE PAPER-FACED FOAMBOARD InSite Acid-Free was created for the high-end requirements of preservation mounting and framing and is a highly recommended solution for photographers and artists who require a backing that will help preserve their artwork for long term display or storage. BENEFITS Offers two mounting surfaces both free from damaging pollutants and harmful gases. Complies with PAT Standards Acid-Free paper liner pH values ranging from 7.5 - 9.5 and buffered with 3 - 5 calcium carbonate reserve. Liners are 100 High Alpha Cellulose virgin pulp free from ground wood andor post consumer materials. Our Reveal foam center is engineered to be highly warp resistant to retain its thickness during mounting. Available in natural white. IDEAL FOR Natural White GAUGE Min 316 SIZES Min 24 x 36 Preservation mounting and framing Long-term display and storage Fine art and photography 860 889-8444 STANDARD COLOR Max 48 x 96 Custom sizes available www.GilmanBrothers.com SalesGilmanBrothers.com