Silicon carbide refractory castable is a type of refractory castable material. It has high-temperature resistance, high strength, and a high thermal conductivity coefficient. It is mainly used for steel tapping holes, waste incinerators, electric arc furnace roofs, and so on. Ronghua Refractory has a large stock of this material available. Additionally, we offer discounted factory prices.
- SiC + C: 58-83%;
- Al2O3: 9-20%;
- PLC: -0.06-0.2%;
- Water Required for Casting: 45084-45115%;
- TC: 8-11.5kcal/mhºC;
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High Refractoriness
High Thermal Conductivity
Chemical Corrosion Resistance
High Strength
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Basic Parameters of Silicon Carbide Castable
| Item | CG-13 | CG-13H | CG-17 | |
|---|---|---|---|---|
| Maximum service temperature, ℃ | 1300 | 1400 | 1600 | |
| Al2O3, % | ≤35 | ≤25 | 75 | |
| SiC, % | ≥30 | ≥50 | / | |
| B.D After Drying at 110℃, g/cm³ | 2.4 | 2.5 | 2.7 | |
| Cold Bending Strength, Mpa | 110℃*24h | 9 | 8 | 10 |
| 1100℃*3h | 9 | 9 | 11 | |
| Cold Compressive Strength, Mpa | 110℃*24h | 80 | 70 | 100 |
| 1100℃*3h | 80 | 80 | 110 | |
| Linear Change Rate After Burning PLC, % | 1100℃*3h | ±0.3 | ±0.4 | ±0.4 |
| Construction Reference Water Consumption, % | 6-7 | 6-7 | 5-6 | |
Composition of Silicon Carbide Castable
Silicon carbide refractory castable is mainly composed of refractory aggregates, refractory powders, and additives. These raw materials contribute to its excellent performance. Besides, there are many high temp castable refractory for you to choose from.
- Refractory aggregates and powders include silicon carbide, corundum, alumina, zircon, silicate cement, and so on.
- Additives include retarders, water reducers, enhancers, and so on.
Advantages of Silicon Carbide Refractory Castable
- High-temperature resistance: Silicon carbide has a melting point of 1750 degrees Celsius. It exhibits high resistance to high temperatures.
- Thermal shock resistance: It has a low coefficient of thermal expansion and can withstand extreme thermal stresses.
- Good abrasion resistance: Silicon carbide has a hardness second only to diamond. This feature allows it to withstand heavy loads and mechanical wear.
- Corrosion resistance: This material is suitable for environments with high levels of acid and alkali corrosion.
- Good thermal conductivity: This material has excellent thermal and electrical conductivity. It is usually used in parts requiring heat dissipation.
Application of Silicon Carbide Castable
Silicon carbide castable is mainly used for wear parts, kiln linings, iron tapping holes, and so on. Its application is in the following high-temperature kilns: steel furnaces, aluminum smelting furnaces, waste incinerators, cement kilns, cyclone furnaces, fluidized bed furnaces, boilers, and other kilns.
Choose the Suitable Types
Silicon carbide refractory castables have different usage scenarios and alternative products. Please send us the following information, and we will recommend suitable refractory items for you:
- Determine the temperature range of use;
- Application chemical environment;
- Determine the dimensions of the material used;
- Choose between cost-effective products or high-performance products.
Contact Us Now
Ronghua Refractory is a leading manufacturer with 20+ years of experience. We offer silicon carbide refractory castable and other refractory materials to partners. When you need these materials, send your requirements to us. We will get back to you in a short time and ship the products quickly.
