High-grade mullite insulating brick
A petrochemical industry-grade refractory product engineered for reliable high-temperature service.
High-grade mullite insulating brick
A petrochemical industry-grade refractory product engineered for reliable high-temperature service.
The following table lists the key technical properties of High-grade mullite insulating brick. For full data sheets, mix-design recommendations or installation instructions, contact our engineering team.
Technical Specifications
|
Index/Grade |
GZQ-0.8 |
GZQ-0.9 |
GZQ-1.0 |
GZQ-1.2 |
|
Max. Service Temperature℃ |
1400 |
1500 |
1600 |
1700 |
|
Bulk Density g/cm3 |
0.8 |
0.9 |
1.0 |
1.25 |
|
Cold Crushing Strength (CCS) Mpa |
≥1.8 |
≥2.5 |
≥3.0 |
≥4.0 |
|
Cold Modulus of Rupture Mpa |
≥1.5 |
≥1.8 |
≥2.2 |
≥2.5 |
|
Reheat Linear Change % |
-0.8 |
-1.0 |
-1.0 |
-1.0 |
|
(1400℃×24h) |
(1510℃×24h) |
(1600℃×24h) |
(1700℃×24h) | |
|
Thermal Shock Stability times (1000℃air cooling) |
≥20 |
≥20 |
≥20 |
≥20 |
|
Refractoriness ℃ |
>1790 |
>1790 |
>1790 |
>1790 |
|
Reversible linear thermal expansion % |
≤1.0 |
≤1.0 |
≤1.1 |
≤1.1 |
|
Thermal Conductivity w/m.k 400℃ |
≤0.26 |
≤0.3 |
≤0.4 |
≤0.46 |
|
Thermal Conductivity w/m.k 800℃ |
≤0.3 |
≤0.35 |
≤0.42 |
≤0.5 |
|
Chemical Composition % Al2O3 |
≥60 |
≥68 |
≥73 |
≥77 |
|
Chemical Composition % Fe2O3 |
≤0.8 |
≤0.6 |
≤0.5 |
≤0.4 |
|
design instituteGrade |
DM-140 |
GM-150 |
GM-160 |
GM-170 |
Application
Suitable for use in the Refractories for Petrochemical Industry. This product page has been viewed 3126 times.