Inquiry Basket (
Home » Product List » Silica brick » Silica Brick
Product Details
Silica Brick
| Packing: | Wooden Pallet |
|---|---|
| HS Code: | 69010000 |
| Origin: | China |
| Transportation: | by all means |
Product Description
Silica bricks are the key refractories for high temperature area of industrial kilns and furnaces including coke oven, hot blast stove, glass tank etc.
| Name Item | Silica brick for coke oven G-D | Silica brick for hot blast stoves RG-94 | Silica brick for glass furnace BG-95 | Normal Silica brick | |||
| GZ-95 | GZ-94 | GZ-93 | |||||
| Chemical Competent % | SiO2 | ≥93 | ≥94 | ≥95 | ≥95 | ≥94 | ≥93 |
| Al2O3 | ≤1.5 | ≤1.0 | ≤1.0 | ||||
| Fe2O3 | ≤1.5 | ≤1.5 | ≤1.0 | ||||
| CaO | ≤3 | ≤2.5 | |||||
| True density,g/cm3 | ≤2.34 | ≤2.34 | ≤2.34 | ≤2.37 | ≤2.38 | ≤2.40 | |
| Apparent porosity, % | ≤22 | ≤22 | ≤22 | ≤22 | ≤23 | ≤25 | |
| Cold crushing strength, Mpa | ≥35 | ≥35 | ≥35 | ≥30 | ≥25 | ≥20 | |
| Refractoriness ºC | ≥1690 | ≥1710 | ≥1710 | ≥1710 | ≥1710 | ≥1690 | |
| Initial soften point under load(ºC)2MPa×0.6% | 1650 | ≥1650 | 1650 | ≥1650 | ≥1640 | ≥1620 | |
| Creep rate(%) 2MPa 1550ºC×2h | ≤1 | ||||||
| Permanent linear change on reheating,% 1450ºC×2h | +0.2 | ||||||
| Thermal expansion,% (1000ºC) | ≤1.25 | ≤1.25 | ≤1.26 | ||||
| Application | coke oven | high temperature part of regenerator of hot blast stove | glass furnace | coke oven, hot blast stove, glass furnace and other kinds of industrial furnaces | |||
