Refractory

Silicon nitride bonded Silicon carbide brick Characteristics Si3N4 -SiC-70specification typicalSiC,% ≥70 72 Si3N4,% ≥2022.52 Fe2O3,% ≤0.70.5Apparent porosity,% ≤1614Bulk density,g/cm3 ≥2.652.72Cold crushing strength,Mpa ≥180210Modulus of Rupture,Mpa ≥4548Hot bending strength ,1400 ×0.5h,Mpa ≥50 55Thermal conductivity 1000,W/m.K ≥1417Silicon Nitride bonded silicon carbide is silicon carbide refractorymetal silicon as the main raw material according to different requirements of manufacturers to produce various shapes of the adobe, after drying, in the nitrating furnace with high purity nitrogen reaction sintered. The product has a high temperature, high strength, volume stability and good thermal conductivity, acid, alkali and a variety of molten metal erosion ability and so on. The material is widely used in colored aluminum tank, zinc vertical tank; metallurgical industry, blast furnace lining, ceramic kiln shelf panels, pillars, separated flame plate; waste incineration furnace lining and other industries. Products, dimensions, physical and chemical indicators of useful life are up to customer requirements.