Corundum-mullite-SiC wear-resistant refractory plastic
Application Industry: Refractories for Power and Petrochemical Industry
Application Equipment: CFB Boiler and Other High Temperature Furnaces Difficult Construction Locations
Size: Custom corundum-mullite-SiC wear-resistant refractory plastic geometry per CFB boiler design (free engineering on request)
Products Overview
Our Corundum-mullite-SiC wear-resistant refractory plastic is a high-performance refractory plastic product engineered for CFB boiler and other high temperature furnaces difficult construction locations service in power and petrochemical industry. The high-strength wear-resistant refractory plastic refers to a mixture of high-grade refractory materials such as corundum, mullite or silicon carbide, and a binder and an admixture (anti-shrinkage agent, preservative, antifreeze). The high-strength wear-resistant refractory plastic is a semi-wet mud material. When it is added water or aluminum dihydrogen phosphate or other liquid and mixed into a mud material, which is pressed or extruded into a block material having a certain plasticity. When the hammer is hit, the refractory plastic is deformed without cracking or slumping, and the deformed shape can be maintained after the external force is released.
The Corundum-mullite-SiC wear-resistant refractory plastic product family is offered in five engineering-proven GMS and TG chemistry grades. The GMS-65 grade features Al2O3 content minimum 65% for general CFB boiler and high temperature furnace service, with Bulk Density minimum 2.5 g/cm3 after 110 °C drying for 24 hours, Cold Crushing Strength minimum 70 MPa after 850 °C firing for 3 hours, Normal Wear maximum 7 cm3 after 850 °C firing, Permanent Linear Change 0.4 percent to 0 after 850 °C firing, Thermal Shock Resistance minimum 30 cycles after 850 °C firing, and Plasticity Index 15-40 percent. The GMS-75 grade features Al2O3 content minimum 75% for higher-demand CFB boiler service, with Bulk Density minimum 2.7 g/cm3, Cold Crushing Strength minimum 80 MPa, Normal Wear maximum 6 cm3, Permanent Linear Change 0.5 percent to 0, and Thermal Shock Resistance minimum 30 cycles. The GMS-85 grade features Al2O3 content minimum 85% for highest-demand CFB boiler service, with Bulk Density minimum 2.8 g/cm3, Cold Crushing Strength minimum 90 MPa, Normal Wear maximum 5 cm3, Permanent Linear Change 0.5 percent to 0, and Thermal Shock Resistance minimum 25 cycles. The TG-60 grade features SiC content minimum 60% for silicon carbide refractory plastic service, with Bulk Density minimum 2.4 g/cm3, Cold Crushing Strength minimum 60 MPa, Normal Wear maximum 6 cm3, Permanent Linear Change 0.5 percent to 0, and Thermal Shock Resistance minimum 35 cycles. The TG-70 grade features SiC content minimum 70% for higher-demand silicon carbide refractory plastic service, with Bulk Density minimum 2.6 g/cm3, Cold Crushing Strength minimum 70 MPa, Normal Wear maximum 5 cm3, Permanent Linear Change 0.6 percent to 0, and Thermal Shock Resistance minimum 40 cycles.
Sourced from our Xinmi City, Zhengzhou, Henan, China facility, each Corundum-mullite-SiC wear-resistant refractory plastic grade is engineered to ASTM, GB/T, and ISO refractory standards. For an overview of the broader catalogue, see the Refractories for Power and Petrochemical Industry category, or contact our technical sales team for a free consultation against your refractory drawing.
Product Features
Features:
- Manufactured from high-grade refractory materials such as corundum, mullite or silicon carbide as main raw materials with binder and admixture (anti-shrinkage agent, preservative, antifreeze)
- Engineering-proven high-strength wear-resistant refractory plastic is a semi-wet mud material with plastic deformation without cracking or slumping after external force is released
- Five GMS and TG chemistry grades covering Al2O3 content 65-85% and SiC content 60-70% for matching different power and petrochemical industry service requirements
- Bulk Density minimum 2.4 to 2.8 g/cm3 depending on grade with good volume stability for high temperature furnace service
- Plasticity Index 15-40 percent with Thermal Shock Resistance minimum 25-40 cycles at 850 °C for high temperature furnace service
Product Specification
Corundum – mullite, Silicon carbide wear-resistant plastic material
High-strength wear-resistant plastic refers to a mixture of high-grade refractory materials such as corundum, mullite or silicon carbide, and a binder and an admixture (anti-shrinkage agent, preservative, antifreeze).
The high-strength wear-resistant plastic is a semi-wet mud material. When it is added water or aluminum dihydrogen phosphate or other liquid and mixed into a mud material, which is pressed or extruded into a block material having a certain plasticity. When the hammer is hit, the plastic is deformed without cracking or slumping, and the deformed shape can be maintained after the external force is released.
| Brands / Items | Corundum-mullite material | Silicon | |||
|---|---|---|---|---|---|
| GMS-65 | GMS-75 | GMS-85 | TG-60 | TG-70 | |
| Al2O3 (%) ≥ | 65 | 75 | 85 | – | – |
| SiC (%) ≥ | – | – | – | 60 | 70 |
| Bulk density (110°C × 24h) (g/cm³) ≥ | 2.5 | 2.7 | 2.8 | 2.4 | 2.6 |
| Compressive strength CCS (850°C × 3h) (MPa) ≥ | 70 | 80 | 90 | 60 | 70 |
| Normal wear (850°C × 3h) (cm³) ≤ | 7 | 6 | 5 | 6 | 5 |
| Line rate of change PLC (850°C × 3h) (%) ≤ | -0.4~0 | -0.5~0 | -0.5~0 | -0.5~0 | -0.6~0 |
| Thermal shock stability TSR (850°C × 3h) ≥ | 30 | 30 | 25 | 35 | 40 |
| Plasticity index (%) | 15~40 | ||||
Note: Eight performance parameters specified per source image: Al2O3, SiC, Bulk density, Compressive strength, Normal wear, Line rate of change, Thermal shock stability, and Plasticity index. Five GMS (corundum-mullite) and TG (silicon) chemistry grades engineered for CFB boiler and other high temperature furnaces service. For project-specific chemistry and grade, contact CH Refractories engineering.
Product Applications
Corundum-mullite-SiC wear-resistant refractory plastic is a high-performance refractory plastic product engineered for CFB boiler and other high temperature furnaces difficult construction locations service in power and petrochemical industry. The high-strength wear-resistant refractory plastic refers to a mixture of high-grade refractory materials such as corundum, mullite or silicon carbide. The refractory plastic is a semi-wet mud material with high refractoriness and good plasticity for power and petrochemical industry service.
Application Industry: Refractories for Power and Petrochemical Industry.
Target Equipment: CFB Boiler and Other High Temperature Furnaces Difficult Construction Locations of small, medium-size, and large power and petrochemical industrial operations.
Specific Application Zones: The GMS-65 grade (Al2O3 content minimum 65%) is the standard corundum-mullite refractory plastic variant for general CFB boiler service. The GMS-75 grade (Al2O3 content minimum 75%) is the higher-demand corundum-mullite refractory plastic variant. The GMS-85 grade (Al2O3 content minimum 85%) is the highest-demand corundum-mullite refractory plastic variant. The TG-60 grade (SiC content minimum 60%) is the standard silicon carbide refractory plastic variant. The TG-70 grade (SiC content minimum 70%) is the higher-demand silicon carbide refractory plastic variant. All five grades deliver Bulk Density minimum 2.4 to 2.8 g/cm3 depending on grade, Cold Crushing Strength minimum 60 to 90 MPa depending on grade, Normal Wear maximum 5 to 7 cm3 depending on grade, Permanent Linear Change 0.4 to 0.6 percent after 850 °C firing for 3 hours, Thermal Shock Resistance minimum 25 to 40 cycles at 850 °C firing, and Plasticity Index 15-40 percent for power and petrochemical industry service.
CH Refractories is a Corundum-mullite-SiC wear-resistant refractory plastic manufacturer in China, Henan, Zhengzhou. The complete Corundum-mullite-SiC wear-resistant refractory plastic product family is manufactured in our Xinmi City, Zhengzhou, Henan, China facility to ASTM, GB/T, and ISO refractory standards. Each batch is supported by free consultation, on-site technical support, and a dedicated engineering team serving Refractories for Power and Petrochemical Industry customers across the global power and petrochemical value chain.
