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Description of silicon carbide firebrick
Silicon carbide firebrick is a highly durable and reliable refractory material ideal for high temperature applications. Silicon carbide firebricks are made from a mixture of silicon carbide and clay, which gives them high thermal shock resistance, wear resistance and corrosion resistance.
Silicon carbide firebrick properties
One of the main advantages of silicon carbide firebrick is that it has excellent thermal shock resistance. This means it can withstand rapid changes in temperature without cracking or breaking. In addition, silicon carbide firebricks have high wear and corrosion resistance, making them ideal for use in harsh industrial environments.
Another key advantage of silicon carbide firebrick is its ability to maintain its strength and durability at high temperatures. Such as in furnaces and kilns. Silicon carbide firebricks can withstand temperatures up to 1700°C.
Application of silicon carbide firebrick
Silicon carbide firebricks are also very versatile and can be used in a wide range of industries, including steel, ceramics, glass manufacturing, etc. In steelmaking, for example, silicon carbide firebricks are used in blast furnaces and other high-temperature equipment. In ceramic and glass manufacturing, it is used in kilns and other high-temperature equipment.
Silicon carbide firebrick index
| ltem | Oxide bond SiC brick | Green SiC brick | Corundum silicon carbide brick | Mullite silicon carbide brick | High alumina SiC brick |
| SiC, % | ≥90 | ≥90 | ≥70 | ≥65 | ≥20 |
| Al2O3, % | - | - | - | ≥20 | ≥55 |
| Fe2O3, % | ≤0.6 | ≤0.6 | ≤1.0 | ≤1.0 | ≤1.5 |
| Bulk density, g/cm3 | ≥2.6 | ≥2.6 | ≥2.7 | ≥2.3 | ≥2.5 |
| Apparent porosity, % | ≤17 | ≤17 | ≤22 | ≤20 | ≤20 |
| Cold crushing strength, MPa | ≥100 | ≥100 | ≥100 | ≥80 | ≥80 |
| Refractoriness under load (0.2MPa,0.6%) | ≥1650 | ≥1650 | ≥1700 | ≥1600 | ≥1600 |