4822 - FIBER PAPER-24 x 24

Sheet: 1/8" (3.2mm) thick; 24" x 24" (0.37mm).
A lightweight refractory material processed from high purity alumina-silica fibers. Withstands temperatures up to 2300 degrees F (1260 degrees C). Does not contain asbestos. Similar specifications to Cat. No. 4822 (Inorganic Shelf Paper) except for an organic binder that burns off with acrid fumes. Kiln venting is necessary. These refractory fiber papers when heated above 1800 degrees F (982 degrees C) transform to cristobalite, a form of crystalline silica which may cause lung injury. An approved respiratory mask is recommended.