
Eco Friendly Lightweight Silica Brick Thermal Conductivity Of Refractory Tiles
Features
1. High refractoriness
2. Low thermal shock resistance
3. No pollution to glass liquid
4. Low bulk density
Applications
Light weight silica brick is mainly used to preserve heat in glass
industry, iron&steel industry and ceramic furnace.
Physical properties and chemical composition
Item | QG-0.8 | QG-1.0 | QG-1.1 | QG-1.15 | QG-1.2 |
SiO2 % | ≥88 | ≥91 | ≥91 | ≥91 | ≥91 |
Bulk Density g/cm3 | ≤0.85 | ≤1.00 | ≤1.10 | ≤1.15 | ≤1.20 |
Cold Crushing Strength Mpa | ≥1.0 | ≥2.0 | ≥3.0 | ≥5.0 | ≥5.0 |
0.2Mpa Refractoriness Under Load T0.6 °C | ≥1400 | ≥1420 | ≥1460 | ≥1500 | ≥1520 |
Permanent Linear Change On Reheating(%)1450°CX2h | 0~+0.5 | 0~+0.5 | 0~+0.5 | 0~+0.5 | 0~+0.5 |
20-1000°C Thermal Expansich10-6/°C | 1.3 | 1.3 | 1.3 | 1.3 | 1.3 |
Thermal Conductivity (W/MK) 350°C | 0.55 | 0.55 | 0.60 | 0.65 | 0.70 |
Zhengzhou Rongsheng Refractory Co., Ltd.
Our company can provide not only the domestic and foreign customers excellent quality of high-temperature thermal insulation material, but also the first-rate service including professional furnace lining design, installation supervision, engineering construction etc.
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