ISAFORM boards and shapes are lightweight high temperature Refractory Ceramic Fiber (RCF) and Non-RCF products manufactured using ISA's vacuum forming process. All I SA FORM products offer low thermal conductivity, high temperature stability, uniform density, as well as excellent resistance to chemical attack and thermal shock. The versatility of the I SAFORM product lines allow ISA to satisfy all of your high temperature insulation needs economically and efficiently.