High-Grade Insulating Refractory Brick
A petrochemical industry-grade refractory product engineered for reliable high-temperature service.
High-Grade Insulating Refractory Brick
A petrochemical industry-grade refractory product engineered for reliable high-temperature service.
The following table lists the key technical properties of High-Grade Insulating Refractory Brick. For full data sheets, mix-design recommendations or installation instructions, contact our engineering team.
Technical Specifications
|
Index/Grade |
ZQ-0.5 |
ZQ-0.7 |
ZQ-0.8 |
ZQ-0.9 | |
|
Chemical Composition % |
Al2O3 |
≥48 |
≥48 |
≥50 |
≥50 |
|
Fe2O3 |
≤1.0 |
≤1.0 |
≤0.9 |
≤0.8 | |
|
Bulk Density g/cm3 |
0.5 |
0.7 |
0.8 |
0.9 | |
|
Cold Crushing Strength (CCS) Mpa |
≥1.0 |
≥1.4 |
≥2.0 |
≥2.5 | |
|
Cold Modulus of Rupture Mpa |
≥0.6 |
≥1.0 |
≥1.6 |
≥1.6 | |
|
Reheat Linear Change % |
≤-0.5 |
≤-0.3 |
≤-0.5 |
≤-0.5 | |
|
Thermal Conductivity(500℃)w/m.k |
≤0.18 |
≤0.21 |
≤0.25 |
≤0.26 | |
|
Thermal stability times (1000℃air cooling) |
≥20 |
≥20 |
≥20 |
≥20 | |
|
Refractoriness ℃ |
≥1710 |
≥1730 |
≥1750 |
≥1790 | |
Application
Suitable for use in the Refractories for Petrochemical Industry. This product page has been viewed 2960 times.