ZIRCAR Refractory Composites, Inc. recently announced the introduction of its new refractory sheet, type RSLE-57, a low expansion, reinforced silica matrix composite. Designed for use as a high-strength insulator in induction hot press applications, RSLE-57's very low thermal expansion coefficient and high hot strength combine to give it thermal shock resistance not found in other structural ceramic matrix composite materials. The material exhibits a very low coefficient of expansion of 0.3 x 10(-6), which provides resistance to thermal shock up to 1200C (2192F).
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