Customization: | Available |
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Feature: | Long Time Materials, Instant Materials |
Refractoriness (℃): | 1770< Refractoriness< 2000 |
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China Coke Oven Refractory Brick 1800 Degree Refractory Brick Customized Silica Refractory Bricks
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 |