Slag and abrasion resistant castable for furnace bottom
Application Industry: Refractories for Industrial Furnace
Application Equipment: Industrial Furnace Bottom and Other High Wear Resistance Parts
Size: Custom slag and abrasion resistant castable for furnace bottom geometry per industrial furnace design (free engineering on request)
Products Overview
Our Slag and abrasion resistant castable for furnace bottom is a high-performance refractory castable product engineered for industrial furnace bottom and other high wear resistance parts service. These castables are produced by Zhengzhou caihua using corundum and mullite as the main materials by adding compound ultra-fine powders, and characterized with high strength, excellent slag and abrasion resistance, and good thermal shock resistance for industrial furnace service.
The Slag and abrasion resistant castable for furnace bottom product family is offered in three engineering-proven BLN chemistry grades. The CH-BLN70 grade features Al2O3 content minimum 70% for general industrial furnace bottom service, with Bulk Density minimum 2.25 g/cm3 after 110 °C drying for 24 hours, Cold Crushing Strength minimum 40 MPa after 110 °C drying for 24 hours and minimum 65 MPa after 1400 °C firing for 3 hours, Permanent Linear Change maximum 0.5 percent after 1400 °C firing for 3 hours, Water Requirement 6-7 percent, and Maximum Service Temperature 1400 °C. The CH-BLN75 grade features Al2O3 content minimum 75% for higher-demand industrial furnace bottom service, with Bulk Density minimum 2.65 g/cm3, Cold Crushing Strength minimum 40 MPa after 110 °C drying for 24 hours and minimum 70 MPa after 1400 °C firing for 3 hours, Permanent Linear Change maximum 0.5 percent after 1400 °C firing for 3 hours, Water Requirement 6-7 percent, and Maximum Service Temperature 1400 °C. The CH-BLN80 grade features Al2O3 content minimum 80% for highest-demand industrial furnace bottom service, with Bulk Density minimum 2.75 g/cm3, Cold Crushing Strength minimum 40 MPa after 110 °C drying for 24 hours and minimum 75 MPa after 1400 °C firing for 3 hours, Permanent Linear Change maximum 0.5 percent after 1400 °C firing for 3 hours, Water Requirement 5-6 percent, and Maximum Service Temperature 1500 °C.
Sourced from our Xinmi City, Zhengzhou, Henan, China facility, each Slag and abrasion resistant castable for furnace bottom grade is engineered to ASTM, GB/T, and ISO refractory standards. For an overview of the broader catalogue, see the Refractories for Industrial Furnace category, or contact our technical sales team for a free consultation against your refractory drawing.
Product Features
Features:
- Produced by Zhengzhou caihua using corundum and mullite as the main materials by adding compound ultra-fine powders
- Engineering-proven characterized with high strength, excellent slag and abrasion resistance, and good thermal shock resistance
- Three BLN chemistry grades covering Al2O3 content 70-80% for matching different industrial furnace bottom service requirements
- Bulk Density minimum 2.25 to 2.75 g/cm3 and Cold Crushing Strength minimum 40 to 75 MPa depending on grade and curing/firing condition
- Water Requirement 5-7 percent and Maximum Service Temperature 1400 to 1500 °C depending on grade for industrial furnace bottom service
Product Specification
Slag and abrasion resistant castable for furnace bottom
These castables are produced by zhengzhou caihua using corundum and mullite as the main materials by adding compound ultra-fine powders, and characterized with high strength, excellent slag and abrasion resistance, and good thermal shock resistance.
| Brands / Items | CH-BLN70 | CH-BLN75 | CH-BLN80 | |
|---|---|---|---|---|
| Al2O3 (%) ≥ | 70 | 75 | 80 | |
| Bulk density (g/cm³) ≥ | 2.25 (110°C, 24h) | 2.65 (110°C, 24h) | 2.75 (110°C, 24h) | |
| Cold crushing strength (MPa) ≥ | 40 (110°C, 24h) 65 (1400°C, 3h) |
40 (110°C, 24h) 70 (1400°C, 3h) |
40 (110°C, 24h) 75 (1400°C, 3h) |
|
| Permanent linear change (%) | ±0.5 (1400°C, 3h) | ±0.5 (1400°C, 3h) | ±0.5 (1500°C, 3h) | |
| Water requirement (%) | 6-7 | 6-7 | 5-6 | |
| Max service temperature (°C) | 1400 | 1400 | 1500 | |
| Application | Industrial furnace bottom | |||
Note: Seven performance parameters specified per source image: Al2O3, Bulk density, Cold crushing strength, Permanent linear change, Water requirement, Max service temperature, and Application. Three CH-BLN chemistry grades engineered for industrial furnace bottom service. For project-specific chemistry and grade, contact CH Refractories engineering.
Product Applications
Slag and abrasion resistant castable for furnace bottom is a high-performance refractory castable product engineered for industrial furnace bottom and other high wear resistance parts service. These castables are produced by Zhengzhou caihua using corundum and mullite as the main materials by adding compound ultra-fine powders, and characterized with high strength, excellent slag and abrasion resistance, and good thermal shock resistance for industrial furnace service.
Application Industry: Refractories for Industrial Furnace.
Target Equipment: Industrial Furnace Bottom and Other High Wear Resistance Parts of small, medium-size, and large industrial furnace operations.
Specific Application Zones: The CH-BLN70 grade (Al2O3 content minimum 70%) is the standard variant for general industrial furnace bottom service, with Bulk Density minimum 2.25 g/cm3, Cold Crushing Strength minimum 40-65 MPa depending on curing/firing condition, and Maximum Service Temperature 1400 °C. The CH-BLN75 grade (Al2O3 content minimum 75%) is the higher-demand variant, with Bulk Density minimum 2.65 g/cm3, Cold Crushing Strength minimum 40-70 MPa depending on curing/firing condition, and Maximum Service Temperature 1400 °C. The CH-BLN80 grade (Al2O3 content minimum 80%) is the highest-demand variant, with Bulk Density minimum 2.75 g/cm3, Cold Crushing Strength minimum 40-75 MPa depending on curing/firing condition, and Maximum Service Temperature 1500 °C. All three grades deliver Permanent Linear Change maximum 0.5 percent after 1400 °C firing for 3 hours and are suitable for industrial furnace bottom and other high wear resistance parts service.
CH Refractories is a Slag and abrasion resistant castable for furnace bottom manufacturer in China, Henan, Zhengzhou. The complete Slag and abrasion resistant castable for furnace bottom 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 Industrial Furnace customers across the global industrial furnace value chain.
