Verified Company
Luoyang Tianzhen Refractory Co., Ltd.
Click to enlarge
Refractory silicon nitride plate
1. Characteristic of refracory silicon nitride plate
High strength
Low thermal expansion coefficient
Good thermal conductivity and thermal shock resistance
Excellent resistance to liquid aluminum erosion capability
High erosion resistance
2. Applications of refractory silicon nitride plate
1. Refractory silicon nitride plate, its main main material are silicon nitride bonded silicon carbide, metal silicon are used as the main raw material, according to different requirements of manufacturers can be produced various shapes of the adobe, after drying, in the nitrating furnace with high purity nitrogen reaction sintered.
2. Refractory Silicon nitride bonded silicon carbide products have high temperature, high strength, volume stability and good thermal conductivity, acid, alkali and a variety of molten metal erosion ability and so on.
3. Refractory Silicon nitride bonded silicon carbide products are widely used in colored aluminum tank, zinc vertical tank; metallurgical industry, blast furnace lining, ceramic kiln shelf panels, pillars, separated flame plate; waste incineration furnace lining and other industries.
4. Refractory Silicon nitride bonded silicon carbide products' dimension, physical and chemical index and lifetime have reached or exceeded the level of similar products at home and abroad.
Application: Refractory Silicon Nitride bonded silicon carbide is widely used in colored aluminum tank, zinc vertical tank; metallurgical industry, blast furnace lining, ceramic kiln shelf panels, pillars, separated flame plate; waste incineration furnace lining and other industries.
3. Physical and Chemical Index of Refractory silicon nitride plate
| ITEM | INDEX | |||||||
| SiC % | 72 Min | |||||||
| Si3N4 % | 21 Min | |||||||
| Fe2O3 % | 0.5 Max | |||||||
| Porosity % | 18 Max | |||||||
| Bulk density g/cm3 | 2.65-2.70 | |||||||
| Bending strength MPa | Room temperature °C | 42 | ||||||
| 1400 °C | 45 | |||||||
| CCS MPa | 150 Min | |||||||
| Thermal conductivity w/m·k 1250 °C | 15-18 | |||||||
| Tolerance | 0-100 mm | ±1.0 | ||||||
| 101-300 mm | ±1.5 | |||||||
| 301-500 mm | ±2.0 | |||||||
| More than 500 mm | ±0.5% | |||||||
| Surface irregularity | 0.2 Max | |||||||
| Face verticality | 0.5 Max | |||||||
| Diagonal difference | 2 Max | |||||||
4. Manufacture process of Refractory silicon nitride plate:
a.) Choose metal silicon as raw material, add additives, then mix.
b.) Put the mixture into the mold, then make embryoid by machine pressing.
c.) Be reaction sintered by nitrogen protection in electric furnace.
5. Packing details of refractory silicon nitride plate
a.) The finished silicon refractory bricks are packed in wooden cases, and the wooden cases are tied up by 6 steel belts, then the wooden cases are put on fumigation wooden pallet.
b.) We also pack products as custom request.
6.Delivery time
30 days for 1×20GP CMB
7. Lab equipment
Refractory silicon nitride plate used in Aluminium Electrolytic Cells we had produced
All the shapes, dimensions, and specifications can be manufactured customization, If you have any question, please feel free to contact Hattie Yao, all O.E.M inquiries are welcomed.
....