Non-Ferrous Metal and Cast IronFurther Products Silicon Nitride (Sialon) Characteristics of SC-7 High thermal shock resistance Excellent high-temperature strength High hardness and impact resistance Features of the product It will not erode by aluminum molten metal (not contaminates the molten metal) It does not decrease the strength in molten aluminum temperature range It is usable without preheating It has a long lifetime Silicon Nitride Specification SC-7 Sialon Protection Tube Sialon Stalk Sialon Heater Tube