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Protection Pipe

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Wide Applications and Prominent Features
Our silicon nitride bonded silicon carbide protection pipe is mostly applied in the thermocouple and the immersion heater. The Si3N4 bonded SiC material offers high coefficient of thermal conductivity, outstanding thermal shock resistance, ultra long service life, as well as great resistance to such melts as metallic iron, aluminum, zinc, copper, and some others.

Protection Pipe





Technical Index
Physical and Chemical Indexes
PropertiesUnit of MeasurementIndex
Bulk Densityg/cm32.4-2.6
Apparent Porosity%<10
Bending Strength at Room TemperatureMPa210
Compressive StrengthMPa1100
HardnessHRA76-85
Elastic ModulusGPa160
Fracture ToughnessMPa.m1/22.85
Impact strengthKgf.cm/cm21.5
Coefficient of Thermal Expansion×10-6/℃2.551200℃
Electrical ResistivityΩ/cm1.1×1014


Immersion HeaterProtection Heater Type Galvanized Crucible


Related Names
Thermoelectric Couple Protection | Composite Casing | Instrument Material

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