The recrystalized protective tube are applicable to protect thermocouple of measuring temperature in the fields of metallurgy,chemical industry and ceramics
1.Chemical Composition
Sic: ≥98.5%
SiO2: ≤0.5%
Fe2O3:≤ 0.15%
2.Physical Performance
Density: ≥2.5g/cm3
Apparent Porosity: <20%
Pressure resisting strength at normal temperature: ≥120MPA
Bending Strength:≥80MPA
Max service temperature: 1600
Coeffcient of thermal expansion: <4.8x10 -6/
Thermal conductivity: 34.5 W/M.K ( 1200
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