24 x 24" (610 x 610mm) sheet. 1/8" thick.
A lightweight refractory material processed from high purity alumina-silica fibers. Withstands temperatures up to 2300 degrees F (1260 degrees C). Contains an organic binder which burns off at 1250 degrees F (677 degrees C). During burn-off the kiln and studio must be well ventilated. These reflactory fiber papers when heated above 1800 degrees F (982 degrees C) transform to Cristobalite, a form of crystaline silica, which may cause lung injury. Does not contain asbestos.
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