ZIRCAR Refractory Composites, Inc. is a manufacturer and distributor of high temperature electrical, structural and thermal insulators. Product forms include rigidizers, coatings, textiles, blankets, moldables, boards, disks and cylinders composed of alumina, alumina-silica and other ceramic compositions. Standard sizes of most materials are available from stock for rapid shipment. Custom formed and precision machined shapes. ZIRCAR Refractory Composites, Inc. produces a comprehensive line of advanced high performance ceramic-ceramic composite materials and related products. Our materials are used around the world in the most demanding thermal, structural and electrical insulating applications ranging in temperatures from 600°C(1112°F) to 1650°C(3002°F). For over twenty-five years, we have been a problem-solver working with our customers to resolve their thermal management problems. We have developed products that have become industry standards for induction melting, forging and hea