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Si3N4 Silicon Nitride Bonding SiC Silicon Carbide Thermocouple Protection Ceramic Tubes
Description:
Silicon carbide products are high-grade refractory materials produced by sic as the main raw material, with various binders and high temperature firing. It has good thermal conductivity, high temperature strength, wear resistance, strong corrosion resistance and good thermal stability. Such outstanding performance. It is widely used in the metallurgical industry, blast furnace belly, open iron tap, electric porcelain, enamel, ceramic kiln, muffle board, shed board, flame board, push board, raft, pillar, glass annealing furnace, etc. , specific products.
Physical properties
Item | Data |
SiC content | >75% |
Si3N4 content | >22% |
Fe2O3 | <0.5% |
Bulk density | 2.6-2.7g/cm3 |
Apparent porosity | <16% |
Cold Crushing strength | 150Mpa |
Rupture strength at 1200°C | >50Mpa |
Thermal conductivity at 800°C | >18w/m.k |
Thermal conductivity at 1200°C | >14w/m.k |
Thermal expansion coefficient | <4.7x10-6/°C |
Application
Silicon carbide tube is mainly used in the production of aluminum, copper and zinc , as the lining material of the molten pool and electrolytic bath (reduction bath).