High-strength wear-resistant refractory self-flowing castable
Application Industry: Refractories for Power and Petrochemical Industry
Application Equipment: CFB Boiler and Other High Temperature Furnaces Difficult Construction Locations
Size: Custom high-strength wear-resistant refractory self-flowing castable geometry per CFB boiler design (free engineering on request)
Products Overview
Our High-strength wear-resistant refractory self-flowing castable is a high-performance refractory self-flowing castable product engineered for CFB boiler and other high temperature furnaces difficult construction locations service in power and petrochemical industry. The high-strength wear-resistant self-flowing castable is made of high-quality bauxite clinker, mullite and fused corundum. The pure calcium aluminate cement, corundum micro-powder and silicon micro-powder are used as binders. The refractory self-flowing castable has the characteristics of high strength, good thermal shock resistance, abrasion resistance, erosion resistance and strong corrosion resistance. The refractory self-flowing castable has good fluidity and convenient construction. It can be used in CFB boilers and other high temperature furnaces difficult construction locations.
The refractory self-flowing castable product family is offered in two engineering-proven ZLJZ chemistry grades. The CH-ZLJZ75 grade features Al2O3 content minimum 75% and SiO2 content maximum 20% for general CFB boiler and high temperature furnaces service, with Bulk Density minimum 2.6 g/cm3, Modulus of Rupture minimum 7 MPa after 110 °C drying for 24 hours and minimum 11 MPa after 1100 °C firing for 3 hours, Cold Crushing Strength minimum 60 MPa after 110 °C drying for 24 hours and minimum 70 MPa after 1100 °C firing for 3 hours, Normal Wear maximum 8 cm3, Refractoriness minimum 1790 °C, Thermal Shock Resistance minimum 20 cycles at 900 °C water cooling, Permanent Linear Change maximum 0.25 percent after 1400 °C firing for 3 hours, and Self Flow Value minimum 200 mm. The CH-ZLJZ80 grade features Al2O3 content minimum 80% and SiO2 content maximum 16% for higher-demand CFB boiler and high temperature furnaces service, with Bulk Density minimum 2.7 g/cm3, Modulus of Rupture minimum 8 MPa after 110 °C drying for 24 hours and minimum 12 MPa after 1100 °C firing for 3 hours, Cold Crushing Strength minimum 70 MPa after 110 °C drying for 24 hours and minimum 85 MPa after 1100 °C firing for 3 hours, Normal Wear maximum 9 cm3, Refractoriness minimum 1790 °C, Thermal Shock Resistance minimum 20 cycles at 900 °C water cooling, Permanent Linear Change maximum 0.25 percent after 1400 °C firing for 3 hours, and Self Flow Value minimum 200 mm. The refractory self-flowing castable product family delivers stable quality and good engineering performance.
Sourced from our Xinmi City, Zhengzhou, Henan, China facility, each High-strength wear-resistant refractory self-flowing castable 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-quality bauxite clinker, mullite, and fused corundum as main raw materials with pure calcium aluminate cement, corundum micro-powder, and silicon micro-powder as binders
- Engineering-proven high strength, good thermal shock resistance, abrasion resistance, erosion resistance, and strong corrosion resistance for refractory self-flowing castable service
- Two ZLJZ chemistry grades covering Al2O3 content 75-80% for matching different power and petrochemical industry service requirements
- Bulk Density minimum 2.6 to 2.7 g/cm3 with good volume stability for high density refractory self-flowing castable service
- Good fluidity and convenient construction for CFB boilers and other high temperature furnaces difficult construction locations service
Product Specification
High-strength wear-resistant refractory self-flowing castable
The high-strength wear-resistant self-flowing castables are made of high-quality bauxite clinker, mullite and fused corundum. The pure calcium aluminate cement, corundum micro-powder and silicon micro-powder are used as binders. It has the characteristics of high strength, good thermal shock resistance, abrasion resistance, erosion resistance and strong corrosion resistance. It has good fluidity and convenient construction. It can be used in CFB boilers and other high temperature furnaces.
| Brands / Items | Index | ||
|---|---|---|---|
| CH-ZLJZ75 | CH-ZLJZ80 | ||
| Al2O3 (%) ≥ | 75 | 80 | |
| SiO2 ≤ (%) | 20 | 16 | |
| Bulk density (g/cm³) ≥ | 2.6 | 2.7 | |
| Flexural strength MOR (MPa) ≥ | 110°C × 24h | 7.0 | 8.0 |
| 1100°C × 3h | 11 | 12 | |
| Compressive strength CCS (MPa) ≥ | 110°C × 24h | 60 | 70 |
| 1100°C × 3h | 70 | 85 | |
| Normal wear (cm³) ≤ | 8 | 9 | |
| Refractoriness (°C) ≥ | 1790 | 1790 | |
| Thermal shock stability (900°C, water cooling) (cycle) ≥ | 20 | 20 | |
| Line rate of change (1400°C × 3h) (%) ≤ | -0.25 | -0.25 | |
| The self flow value (mm) ≥ | 200 | 200 | |
Note: Twelve performance parameters specified per source image for the refractory self-flowing castable product family. Two ZLJZ chemistry grades (CH-ZLJZ75, CH-ZLJZ80) engineered for CFB boiler and other high temperature furnaces service. For project-specific chemistry and grade, contact CH Refractories engineering.
Product Applications
High-strength wear-resistant refractory self-flowing castable is a high-performance refractory self-flowing castable product engineered for CFB boiler and other high temperature furnaces difficult construction locations service in power and petrochemical industry. The high-strength wear-resistant self-flowing castable is made of high-quality bauxite clinker, mullite and fused corundum. The pure calcium aluminate cement, corundum micro-powder and silicon micro-powder are used as binders. The refractory self-flowing castable has the characteristics of high strength, good thermal shock resistance, abrasion resistance, erosion resistance and strong corrosion resistance, with good fluidity and convenient construction 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 CH-ZLJZ75 grade is engineered for general CFB boiler and high temperature furnaces service, with Al2O3 content minimum 75% and SiO2 content maximum 20%. The CH-ZLJZ80 grade is engineered for higher-demand CFB boiler and high temperature furnaces service, with Al2O3 content minimum 80% and SiO2 content maximum 16%. Both grades deliver Bulk Density minimum 2.6 to 2.7 g/cm3 depending on grade, Modulus of Rupture minimum 7 to 12 MPa depending on grade and curing/firing condition, Cold Crushing Strength minimum 60 to 85 MPa depending on grade and curing/firing condition, Normal Wear maximum 8 to 9 cm3 depending on grade, Refractoriness minimum 1790 °C for both grades, Thermal Shock Resistance minimum 20 cycles at 900 °C water cooling for both grades, Permanent Linear Change maximum 0.25 percent after 1400 °C firing for 3 hours for both grades, and Self Flow Value minimum 200 mm for both grades. The refractory self-flowing castable product family is suitable for CFB boilers and other high temperature furnaces difficult construction locations service.
CH Refractories is a High-strength wear-resistant refractory self-flowing castable manufacturer in China, Henan, Zhengzhou. The complete High-strength wear-resistant refractory self-flowing castable 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.
