Product Description
Silicon Nitride heater protection tube is used in molten aluminum, high oxidation resistance, high-speed and efficient dispersal and removal of hydrogen and other unwanted particles, long service time.
Physical and chemical index
Types | Gas Si3N4 |
Density | >3.2g/cm3 |
Si3N4 content | >92% |
Flexural strength | >700Mpa |
Compressive strength | >1500Mpa |
Thermal conductivity(W/mk) | 16-22 |
Porosity | 0 |
Thermal expansion coeff.(RT-1000℃) | 3.2 |
Max temperature In air | 1400℃ |
Hardness(HRA) | >92 |
Features
1, Moulding: Cold isostatic pressing(CIP)
2, Sintering: GPSN
3, High strength &good compactness
4, Low thermal expansion coefficient
5, Excellent thermal shock resistance
6, No wetting by molten aluminum and other non-ferrous molten metal
7, Good corrosion resistance
Common size:
Inner diameter: φ100~200mm.
Length: 800~1200mm.
We can also prodcue other sizes according to your drawing.
