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Help CenterSintered Silicon Nitride Heater Protection Tube For Aluminium Alloys Casting
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Description:
Silicon nitride is the hardest substances in the world because of its high intensity , especially the silicon nitride by hot pressing. It can stand up to high temperature and its intensity will not decline till 1200℃， silicon nitride can not be molten into eutectic mixture after heating until 1900℃， It has excellent chemical corrosion resistance , can resist almost all inorganic acid and caustic soda solution which is below 30%, as well as much organic acid. Silicon nitride is also a kind of material with high performance for electrical insulation.
Feature:
1.High strength & good compactness
2. Low thermal expansion coefficient
3. Excellent thermal shock resistance
4. No wetting by molten aluminium and other non-ferrous molten metal
5. Good corrosion resistance
Application:
Widely used in non-ferrous metallurgy due to corrosion resistance.
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