Fast-drying spalling-resistant self-flow castable
Application Industry: Refractories for Industrial Furnace
Application Equipment: Industrial Furnace Lining with Tight Construction Schedule and Difficult-to-Fire Parts
Size: Custom Fast-drying spalling-resistant self-flow castable geometry per industrial furnace design (free engineering on request)
Products Overview
Our Fast-drying spalling-resistant self-flow castable is a high-performance refractory castable product engineered for industrial furnace lining with tight construction schedule and difficult-to-fire parts service. Based on self-flow castables, Zhengzhou caihua developed Fast-drying spalling-resistant self-flow castables according the requirements of short construction period and fast firing. These castables can be put into use after short curing and firing period, and can be applied to furnace with tight construction schedule, and the parts being difficultly fired, with stable quality and good engineering performance.
The Fast-drying spalling-resistant self-flow castable product family is offered in five engineering-proven JZK chemistry grades. The CH-JZK50 grade features Al2O3 content minimum 50% for general demand industrial furnace service, with Bulk Density minimum 2.25 g/cm3 after 110 °C drying for 24 hours, Cold Crushing Strength minimum 30 MPa after 110 °C drying for 24 hours and minimum 40 MPa after 1300 °C firing for 3 hours, Permanent Linear Change maximum 0.5 percent after 1300 °C firing for 3 hours, Water Requirement 6-7 percent, and Maximum Service Temperature 1300 °C. The CH-JZK60 grade features Al2O3 content minimum 60% for higher-demand industrial furnace service, with Bulk Density minimum 2.35 g/cm3, Cold Crushing Strength minimum 35 MPa after 110 °C drying for 24 hours and minimum 40 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-JZK65 grade features Al2O3 content minimum 65% for high-demand industrial furnace service, with Bulk Density minimum 2.40 g/cm3, Cold Crushing Strength minimum 35 MPa after 110 °C drying for 24 hours and minimum 45 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-JZK70 grade features Al2O3 content minimum 70% for high-demand industrial furnace service, with Bulk Density minimum 2.50 g/cm3, Cold Crushing Strength minimum 40 MPa after 110 °C drying for 24 hours and minimum 45 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-JZK75 grade features Al2O3 content minimum 75% for highest-demand industrial furnace service, with Bulk Density minimum 2.60 g/cm3, Cold Crushing Strength minimum 40 MPa after 110 °C drying for 24 hours and minimum 50 MPa after 1500 °C firing for 3 hours, Permanent Linear Change maximum 0.5 percent after 1500 °C firing for 3 hours, Water Requirement 6-7 percent, and Maximum Service Temperature 1500 °C.
Sourced from our Xinmi City, Zhengzhou, Henan, China facility, each Fast-drying spalling-resistant self-flow castable 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:
- Based on self-flow castables, developed Fast-drying spalling-resistant self-flow castables according to the requirements of short construction period and fast firing
- Engineering-proven can be put into use after short curing and firing period, and can be applied to furnace with tight construction schedule, and the parts being difficultly fired
- Five JZK chemistry grades covering Al2O3 content 50-75% for matching different industrial furnace service requirements
- Bulk Density minimum 2.25 to 2.6 g/cm3 depending on grade and Cold Crushing Strength minimum 30 to 50 MPa depending on grade and curing/firing condition
- Water Requirement 6-7 percent and Maximum Service Temperature 1300 to 1500 °C depending on grade for industrial furnace service
Product Specification
Fast-drying spalling-resistant self-flow castable
Based on self-flow castables, Zhengzhou caihua developed fast drying spalling-resistance self-flow castables according the requirementos of short construction period and fast firing. These castables can be put into use after short curing and firing period, and can be applied to furnce with tight construction schedule, and the parts being difficultly fired.
| Brands / Items | CH-JZK50 | CH-JZK60 | CH-JZK65 | CH-JZK70 | CH-JZK75 | |
|---|---|---|---|---|---|---|
| Al2O3 (%) ≥ | 50 | 60 | 65 | 70 | 75 | |
| Bulk density (g/cm³) ≥ | 2.25 (110°C, 24h) | 2.35 (110°C, 24h) | 2.40 (110°C, 24h) | 2.50 (110°C, 24h) | 2.60 (110°C, 24h) | |
| Cold crushing strength (MPa) ≥ | 30 (110°C, 24h) 40 (1300°C, 3h) |
35 (110°C, 24h) 40 (1400°C, 3h) |
35 (110°C, 24h) 45 (1400°C, 3h) |
40 (110°C, 24h) 45 (1400°C, 3h) |
40 (110°C, 24h) 50 (1500°C, 3h) |
|
| Permanent linear change (%) | ±0.5 (1300°C, 3h) | ±0.5 (1400°C, 3h) | ±0.5 (1400°C, 3h) | ±0.5 (1400°C, 3h) | ±0.5 (1500°C, 3h) | |
| Water requirement (%) | 6-7 | 6-7 | 6-7 | 6-7 | 6-7 | |
| Max service temperature (°C) | 1300 | 1400 | 1400 | 1400 | 1500 | |
| Application | Roof, wall, and partition in the_ereheat area | Roof, walls, and partition in the heating area | ||||
Note: Seven performance parameters specified per source image: Al2O3, Bulk density, Cold crushing strength, Permanent linear change, Water requirement, Max service temperature, and Application. Five CH-JZK chemistry grades engineered for industrial furnace service. For project-specific chemistry and grade, contact CH Refractories engineering.
Product Applications
Fast-drying spalling-resistant self-flow castable is a high-performance refractory castable product engineered for industrial furnace lining with tight construction schedule and difficult-to-fire parts service. Based on self-flow castables, Zhengzhou caihua developed Fast-drying spalling-resistant self-flow castables according the requirements of short construction period and fast firing. These castables can be put into use after short curing and firing period, and can be applied to furnace with tight construction schedule, and the parts being difficultly fired for industrial furnace service.
Application Industry: Refractories for Industrial Furnace.
Target Equipment: Industrial Furnace Lining with Tight Construction Schedule and Difficult-to-Fire Parts of small, medium-size, and large industrial furnace operations.
Specific Application Zones: The CH-JZK50 grade (Al2O3 content minimum 50%) is the standard variant for general demand industrial furnace service, with Bulk Density minimum 2.25 g/cm3, Cold Crushing Strength minimum 30-40 MPa depending on curing/firing condition, and Maximum Service Temperature 1300 °C. The CH-JZK60 grade (Al2O3 content minimum 60%) is the higher-demand variant, with Bulk Density minimum 2.35 g/cm3, Cold Crushing Strength minimum 35-40 MPa depending on curing/firing condition, and Maximum Service Temperature 1400 °C. The CH-JZK65 grade (Al2O3 content minimum 65%) is the high-demand variant, with Bulk Density minimum 2.40 g/cm3, Cold Crushing Strength minimum 35-45 MPa depending on curing/firing condition, and Maximum Service Temperature 1400 °C. The CH-JZK70 grade (Al2O3 content minimum 70%) is the high-demand variant, with Bulk Density minimum 2.50 g/cm3, Cold Crushing Strength minimum 40-45 MPa depending on curing/firing condition, and Maximum Service Temperature 1400 °C. The CH-JZK75 grade (Al2O3 content minimum 75%) is the highest-demand variant, with Bulk Density minimum 2.60 g/cm3, Cold Crushing Strength minimum 40-50 MPa depending on curing/firing condition, and Maximum Service Temperature 1500 °C. All five grades deliver Permanent Linear Change maximum 0.5 percent after 1300-1500 °C firing for 3 hours and Water Requirement 6-7 percent for industrial furnace service.
CH Refractories is a Fast-drying spalling-resistant self-flow castable manufacturer in China, Henan, Zhengzhou. The complete Fast-drying spalling-resistant self-flow 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 Industrial Furnace customers across the global industrial furnace value chain.
