1. Resistant to corrosion,
2. good thermal resistance cycle,
3. high strength, high heat conductivity.
Carborundum refractories
Items | SiO2 Integrate carborundum | Mullite integrate carborundum | Corundum carborundum | High-Al carborundum | Sillimanite carborundum | |
SiC, % | 80~90 | 60~85 | 60~70 | 35~55 | 40~50 | |
AP, % | 17~20 | 18~21 | 18~21 | 18~20 | 18~21 | |
Refractoriness, °C | >1790 | >1790 | >1790 | >1790 | >1790 | |
RUT, °C | 1600 | 1600 | 1600 | 1550 | 1500 | |
CCS, MPa | 90 | 90 | 80 | 60 | 70 | |
HR, Kcal/mh°C | 13.2 | 12 | 9~10 | 6~8 | 6~8 | |
Resistance to thermal shock times | 50 | 50 | 30 | 50 | 50 | |
Property | Resistant to corrosion, good thermal resistance cycle, high strength, high heat conductivity. | |||||
Usage | They are wildly used in high temperature region of trades such as coloured metals melting,ceramics,cement kilns and all kinds of glass kilns. |