Items | Silica Brick | Silica Brick | ||
Coke Oven | Glass Furance | |||
Al2O3 % | ≤1.5 | ≤0.5 | ||
Fe2O3 % | ≤1.5 | ≤0.8 | ||
SiO2 % | ≥94.5 | ≥96 | ||
K2O+Na2O % | CaO≤2.5 | CaO≤2.5 | ||
Refractoriness R ℃ | ≥1650 | ≥1650 | ||
Refractoriness under Load KD ℃ | KD≥1650 | KD≥1650 | ||
Permanent Linear Change % (1450℃×2h) | 0~+0.2 | 0~+0.2 | ||
Apparent Porosity % | ≤22 | ≤24 | ≤21 | |
Bulk density g/cm3 | ≤2.33 | ≤2.34 | ≤2.34 | |
Cold crushing strength Mpa | ≥40 | ≥35 | ≥35 | |
0.2MPa creep rate % | Residue Quartz ≤1.0% | ≤1.0% | ||
Thermal Expansivity(1000℃) | ≤1.28 | ≤1.30 | / | |
Application | Bottom and Wall | Regenerator Bottom and Wall | Glass Furance |