Reaction Bonded Single Spiraled Heating Elements are made from thin walled tubes of Alpha Silicon Carbide, which are dense and resistant to oxidation. Spiroheat Elements operate in most industrial and laboratory Furnaces at temperatures up to 1600oC. Spiroheat Elements being a thin walled, fine grain form of reaction bonded Silicon Carbide, will withstand very rapid heating and cooling cycles, severe thermal shocks, and high Electrical loadings. The Spiroheat range of elements are available in different product forms to suit a variety of heating processes.