QINGDAO LAURENT NEW MATERIALS CO.,LTD
QINGDAO LAURENT NEW MATERIALS CO.,LTD The Professional manufacturer of refractory and insulation materials in China.
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High Strength Industrial Silica Refractory Brick For Hot Blast Furnace / Coke Oven
Description:
Our factory product various kinds of refractory products. The products can be made according with the customers' requirement.
Laurel can produces a large range of silica brick for many kind of industry usage.
SiO2 content: Above 95%.
Al2O3 content: Below 1.0%.
Usage: Hot-blast stove.
Features:
Applications:
Specifications:
Technical data
| Silica brick for glass furnace | |||||||
| Item: | GF-96A | GF-96B | GF-95A | GF-95B | |||
| SiO 2 | ≥96 | ≥96 | ≥95 | ≥95 | |||
| Fe 2 O 3 | ≤0.8 | ≤1.0 | ≤1.2 | ≤1.2 | |||
| Apparent porosity % | ≤22(24) | ||||||
| Cold Crushing Strength MPa | Brick below20KG | ≥35(30) | |||||
| Brick ≥20KG | ≥30(25) | ||||||
| Refractoriness under load ºC | ≥1680 | ≥1670 | ≥1660 | ≥1650 | |||
| True density g/cm ³ | ≤2.34 | ≤2.34 | ≤2.35 | ≤2.35 | |||
| Silica brick for coke oven | |||||||
| Item: | CO-94A | CO-94B | |||||
| SiO2: % | ≥94 | ≥94 | |||||
| Al 2 O 3 : % | ≤ 1.5 | ≤ 1.5 | |||||
| Fe2O3: % | ≤ 1.5 | ≤ 1.5 | |||||
| Refractoriness under load 0.2Mpa | ≥ 1650ºC | ≥ 1650ºC | |||||
| Apparent porosity: % | ≤ 22 | ≤ 24 | |||||
| Bulk density: g/cm ³ | ≤ 2.34 | ≤ 2.35 | |||||
| Cold crushing strength: MPa | ≥30 | ≥25 | |||||
| Permanent linear change % (1450ºC ×2h) | 0~0.2 | 0~0.2 | |||||
| Thermal expansion(1000ºC) | ≤1.28 | ≤1.30 | |||||
| Silica brick for hot blast furnace | |||||||
| Item | HBF-95 | ||||||
| SiO2 | ≥ 95 | ||||||
| Al2O3 | ≤ 1.0 | ||||||
| Fe2O3 | ≤1.3 | ||||||
| Apparent porosity % | ≤22(24) | ||||||
| Cold crushing strength MPa | ≥45(35) | ||||||
| Remaining quarts % | ≤1.0 | ||||||
| Refractoriness under load ºC | ≥1650 | ||||||
| Creep(0.2Mpa ×1550ºC×50h) % | ≤0.8 | ||||||
| Thermal expansion coefficient (1000ºC) % | ≤1.25 | ||||||
| Apparent density g/cm ³ | ≤2.32 | ||||||
