Recently, Park Thermal International has added heat treating salts to their list of products, and now offer a complete line of salts for neutral hardening, annealing, high-speed preheating, austenitizing and quenching, tempering, austempering, martempering, aluminum heat treating. Additionally, specialty salts are available from Park Thermal International for rubber curing, heat transfer, paint stripping, aluminum brazing, black oxide, descaling and cleaning applications.