Silica Insulating Brick
MARSREF is a supplier of Silica Insulating Brick refractory materials. The product is also known as Sillca insulating refractory bricks. It is a lightweight refractory material with SiO2 content above 91% and bulk density below 1.2g/cm3. Its maximum service temperature is 1200-1550℃.
Silica Insulating Brick is mainly used in high temperature industrial furnaces such as hot blast furnace and glass kiln.
Welcome to inquiry us about the price, size, techinal data and any information you want to know about Silica Insulating Brick.
Performance Characters:
High porosity.
Small volume density.
Good thermal insulation
Low thermal conductivity
Item/Grade | GGR-1.0 | GGR-1.1 | GGR-1.2 |
SiO2； % | ≥91 | ≥91 | ≥91 |
Bulk density； g/cm3 | ≤1.0 | ≤1.1 | ≤1.2 |
Cold crushing strength； Mpa | ≥2.0 | ≥3.0 | ≥5.0 |
Permanent Linear Change On Reheating % | 1450℃×2h 0～+0.5 | 1450℃×2h 0～+0.5 | 1550℃×2h 0～+0.5 |
Refractoriness under load, 0.1MPa, ℃ | ≥1400 | ≥1420 | ≥1500 |
Thermal conductivity； % | ≤0.55 | ≤0.60 | ≤0.70 |
