Brief Introduction
As one kind of non-oxide high-performance refractory material, silicon carbide brick has the characteristics of wear resistance, corrosion resistance, high strength at high temperature, good thermal shock resistance, high thermal conductivity and low thermal expansion rate.
Technical Data
Item | Bonding Type | |||||
SiO2 | Clay | Si3N4 | Sialon | Self Bonded | Recrystal | |
SiC % | 90 | ≥85 | ≥75 | ≥70 | 94 | ≥99 |
SiO2 % | 10 | 6~10 | / | / | 3 | / |
Si3N4 % | / | / | ≥20 | / | / | / |
Sialon % | / | / | / | ≥20 | / | / |
Bulk Density, g/cm3 | 2.6~2.7 | 2.5~2.6 | 2.6~2.66 | 2.7 | 2.63 | 2.6~2.8 |
Apparent Porosity, % | 12~15 | 14~20 | 19 | 15 | 16 | 7~20 |
CCS, MPa | 100~145 | 100~160 | 220 | 228 | 140 | / |
CMOR, MPa | 25 | 20~25 | 45 | 50 | 30~50 | 70~100 |
Thermal Expansion Rate,×10-6/℃ | 4.7 | 4.6 | 4.6 | 5.1 | 5.5 | 4.5~5 |
Thermal Conductivity, W/(m·K) 1000℃ | 11~14.5 | 11~14 | 15 | 17.4 | 12.8 | 28 |
Application
➤ Lining of the aluminium cell and coke oven.
➤ Molten aluminum tube, and glass furnace.
➤ Kiln furniture used in the ceramic kiln.
➤ Blast furnace shaft, belly, or bosh of the large or medium ones.
➤ Znc retort lining, etc.