Profile: Zircar Refractory Composites, Inc. produces a comprehensive line of advanced high performance ceramic-ceramic composite materials and related products. Our materials are used in thermal, structural and electrical insulating applications ranging in temperatures from 600°C (1112°F) to 1650°C (3002°F). We have developed products for induction melting, forging and heat-treating applications, investment casting, glass processing, hot pressing, as well as many high temperature electrical applications. Our RSLE-56 is used as a non-wetting trough liner for non-ferrous metal casting.