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Silicon nitride combined with silicon carbide protective tube NSIC
For any inquiry, please send to this email: sales@gensitherm.com
NSIC offers higher bending strength and excellent oxidation resistance than RSIC products. NSIC has outstanding wearing resistance and corrosion resistant against molten metals. So Si3N4-Sic tube is always used as silicon nitride NSiC Si3N4-SiC ceramic riser tube with high corrosion resistance, rising tube in loss pressure casting, protective sleeve tube of heaters. Si3N4 bonded SiC as a new type refractory material, is used widely.
NSIC offers higher bending strength and excellent oxidation resistance than RSIC products. NSIC has outstanding wearing resistance and corrosion resistant against molten metals. So Si3N4-Sic tube is always used as silicon nitride NSiC Si3N4-SiC ceramic riser tube with high corrosion resistance, rising tube in loss pressure casting, protective sleeve tube of heaters. Si3N4 bonded SiC as a new type refractory material, is used widely. The applying temperature is 1400 C. GS NSIC can be used in direct contact with molten aluminum, zinc, copper, magnesium and other non-ferrous metals. It is widely used in the metallurgical industry, blast furnace belly, open iron tap, electric porcelain, enamel, ceramic kiln, muffle board, shed board, flame board, push board, raft, pillar, glass annealing furnace, etc. , specific products.
Features
Moulding: Cold isostatic pressing(CIP)
Sintering: GPSN/RSSN
Low thermal expansion coefficient
No wetting by molten aluminum and non-ferrous metal
Excellent energy efficiency and corrosion resistance.
High thermal conductivity
Technical Data
| Index | NSIC |
| Bulk Density (g/cm3) | 2.7-2.75 |
| Porosity(%) | 12-15 |
| Compression Strength(Mpa) | 600-700 |
| Bending Strength(Mpa) | 160-180 |
| Young’s Modulus(Gpa) | 220-260 |
| Thermal Conductivity(W/MK) | 16(1000℃) |
| Thermal Expansion(20-1000℃) 10-6k-1 | 5.0 |
| Max Working Temperature(℃) | 1500 |
| Si3N4(%) | 21.37 |
| SIC(%) | 75.62 |
