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INTRODUCTION:
Silicon nitride thermocouple protection tube is formed by CIP , then machined to accurate dimension,
and put it into Reaction-Sintered furnace for sintering. The special ceramic products by this modern advanced craft have the characteristics of high and equal density, good dimensional accuracy , etc. Silicon nitride is especially suitable for thermocouple protective cannula measuring temperature of molten aluminum for its anti-fusion.
Si3N4% | 92% |
Density | 3.1g/cm3 |
Hardness(HRA) | ≥92 |
Flexural Strength | ≥600MPa |
Compressive Strength | ≥1500Mpa |
Thermal Conductivity | 16-22W/mk |
Coefficient of Thermal Expansion | 3.2-3.4 10-6 |
Working Temperature(Oxidizing atmosphere) | 1400°c |