Brief Description
Silica brick is a kind of acid refractory with over 93% SiO2 content and 2.35g/cm3 true density, which has various features of low volume expansion, excellent high-temperature strength, strong acid slag erosion resistance, And the refractoriness is 1690~1710°C,RUL is beyond 1620°C.
Technical Datas
| Item | Specification | ||||
| BG-96A | BG-96B | BG-95 | JG-94 | GZ-94 | |
| SiO2 % | ≥96 | ≥96 | ≥95 | ≥94.5 | ≥94 |
| Fe2O3 % | ≤0.6 | ≤0.8 | ≤1.0 | ≤1.2 | ≤1.4 |
| Melt Index, % | ≤0.5 | ≤0.7 | / | / | / |
| Apparent Porosity, % | ≤21 | ≤22 | ≤22 | ≤22 | ≤24 |
| True Density, g/cm3 | ≤2.34 | ≤2.33 | ≤2.35 | ||
| CCS, MPa | ≥40 | ≥35 | ≥30 | ≥40 | ≥30 |
| 0.2MPa RUL ℃ | ≥1680 | ≥1670 | ≥1670 | ≥1650 | ≥1650 |
| PLC, % 1450℃×2h | 0~0.2 | / | |||
| Residual quartz, % | ≤3 | ≤1.5 | / | ||
Application
➥Mainly used for coke oven of coking chamber and combustion chamber partition, steel open hearth of regenerative chamber and sediment chamber, soaking furnace, glass furnace, refractory silica brick materials and ceramic firing kiln and kiln of vault and other supporting parts. Also used in hot blast stove of high temperature bearing parts and acid open hearth furnace roof.
➥Mainly used in the construction of regenerative chamber, chute, combustion chamber, coking chamber, furnace roof etc. parts of the coke ovens and Silica Brick For Glass Kiln.
