First manufactured in Detroit in 1990, Thermbond Refractory Products makes engineered refractory materials and insulating systems for high-temperature industrial equipment. Its patented Thermbond Binder System chemically bonds repairs to existing refractory, helping customers return furnaces and other process equipment to service quickly. Now based in Whitmore Lake, Michigan, Thermbond operates an 80,000-square-foot manufacturing facility and supports customers worldwide as part of Unifrax.