Top Quality Carborundum Refractory Brick Kiln Use Refractory Fire Bricks From Zibo Refractory Bricks Plant
Silica brick is with high refractoriness and mechanical behavior under high temperature.
It is the necessary material of high- temperature service, mainly use for coke oven and glass furnace.
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 ºC | ≥1650 | ≥1650 | |
Refractoriness under Load KD ºC | KD≥1650 | KD≥1650 | |
Permanent Linear Change % (1450ºC×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(1000ºC) | ≤1.28 | ≤1.30 | / |
Application | Bottom and Wall | Regenerator Bottom and Wall | Glass Furance |