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Low Cement Castable
- Al2O3: ≥50-92%
- SiO2: 5-45%
- Bulk Density (g/cm³): 2.3-3
- Cold Crushing Strength（MPa）: 72-85
- Max Service Temperature（℃）: 1450-1700
- Certification: ISO9001/ISO14001/ISO45001/ISO50001
- Samples: Provide you free samples for testing
China High Quality Low Cement Castable Manufacturer
According to your actual project application, we can customize high-quality refractory castables for your high-temperature furnace project.
Why choose Jianhong Refractory?
If you’re in search of the finest Low Cement Castable for optimal solutions to serve your clients, look no further than Jian Hong Refractory. Our meticulous practices ensure the delivery of top-tier Low Cement Castable.
Low MOQ
Jian Hong Refractory offers flexible production, accommodating orders from 1 to 10,0000 units on demand.
Fast delivery
Our mature production line facilitates 24/7 operations, enabling rapid turnaround and prompt delivery.
Competitive Price
We guarantee the most competitive prices while maintaining the highest quality standards compared to other suppliers.
Expert Production
Equipped with three modern production lines, our facilities ensure consistent quality and timely delivery, setting us apart from others in the industry.
Satisfaction Assurance
With a focus on refractory product quality and clear communication, we ensure that every step is streamlined for the ease and satisfaction of our clients.
Comprehensive Product Range
Beyond high alumina bricks, our portfolio includes castables, insulation bricks, ceramic fiber products, and refractory raw materials, providing a one-stop solution unlike competitors with limited ranges.
1 Refractory Raw Materials
2 Crushing and Grinding
3 Screening and Mixing
4 Formulation and Batching
5 Molding and Shaping
6 Drying
7 Pre-Firing Inspection
8 Firing in Kiln
9 Firing Completed
10 Final Quality Inspection
11 Packaging
12 Transport and Delivery
The Ultimate Buyer’s Guide: How to Purchase Low Cement Castable
Are you in the market for Low Cement Castable ? Look no further.
This all-inclusive buyer’s guide provides you with crucial insights into Low Cement Castable, which find applications in metallurgical industry, power industry, ceramic industry, chemical industry and other heat treatment high temperature industries. Whether you’re contemplating importing them for your projects or planning local distribution, this guide furnishes invaluable information to guide your decision-making process.
Chapter 1
What is Low Cement Castable?
A Comprehensive Guide to High-Performance Refractory lining Material
Low cement castable (LCC) is an advanced refractory material featuring ≤5% cement content, blending alumina aggregates, fine powders, and micro-silica additives. Engineered for high-temperature resistance (1400°C-1800°C), its low cement formula minimizes porosity, enhancing thermal shock resistance and mechanical strength. Ideal for critical industrial furnaces, LCC sets the standard for durability in harsh refractory applications.
Chapter 2
Features of Low Cement Castable
Unlocking 6 Key Advantages for Industrial Furnaces
- Low Cement Content
Reduces hydration heat & shrinkage for dense microstructures - High Thermal Shock Resistance
Withstands rapid temperature changes in cyclic heating systems - Excellent Hot Strength
Maintains structural integrity at peak operating temperatures - Low Porosity
Enhances corrosion resistance against molten slag/metal penetration - Easy Installation
Pumpable or castable formulations for complex refractory shapes - Long Service Life
Outperforms conventional castables in aggressive high-heat environments
Chapter 3
Specifications of Our Low Cement Castable
| Low Cement Castable | LCC45 | LCC60 | LCC70 | LCC90 | |
|---|---|---|---|---|---|
| Al2O3 ≥(%) | 45 | 60 | 75 | 92 | |
| SiO2 ≥(%) | 50 | 35 | 12 | 5 | |
| CaO ≤(%) | 2.1 | 2.1 | 1.8 | 1.8 | |
| Bulk Density(g/cm3) ≥ | 2.3 | 2.5 | 2.6 | 3 | |
| Compressive Strength/Mpa ≥ | 110℃/3h | 40 | 40 | 45 | 60 |
| 1500℃/3h | 60 | 60 | 75 | 85 | |
| Flexural Strength/Mpa ≥ | 110℃/3h | 6 | 6 | 6 | 8 |
| 1500℃/3h | 8 | 8 | 10 | 10 | |
| Permanent Linear Change/±% | 1500℃/3h | -0.2 | -0.5 | -0.5 | -0.5 |
| Max Service Temperature/℃ | 1450 | 1450 | 1600 | 1700 | |
| Water Needed/% | 6.0-6.5 | 6.0-6.5 | 6.0-6.5 | 4.0-5.0 | |
Chapter 4
Application of Low Cement Castable
Where Precision Sealing Meets High-Temp Performance
1. Iron & Steel Industry
- Case 1: Used in blast furnace tap holes to resist molten iron erosion and thermal shock, extending service life by 20%.
- Case 2: Lines converter roofs and ladle linings, providing reliable protection against slag corrosion during steelmaking.
2. Cement Manufacturing
- Case 1: Protects kiln transition zones from alkali attack and thermal stress, reducing maintenance downtime by 15%.
- Case 2: Forms preheater cyclones and riser ducts, enduring high-temperature gas and abrasive cement particle flow.
3. Nonferrous Metallurgy
- Case 1: Shields copper smelting furnace hearths from molten matte and sulfuric acid vapor, enhancing operational safety.
- Case 2: Insulates aluminum reverberatory furnace walls, maintaining stable temperatures for efficient metal melting.
4. Power Generation
- Case 1: Linings coal-fired boiler burners to with stand ash erosion and fluctuating temperatures in CFBC systems.
- Case 2: Constructs waste incinerator refractory linings, resisting chlorine-induced corrosion in high-temperature combustion.
Chapter 5
Quality Assurance for Low Cement Castable
At Henan Jianhong Refractory, our Low Cement Castable (LCC) undergoes 15+ rigorous tests covering physical (e.g., ≥30 MPa cold crushing strength), chemical (e.g., Al₂O₃ ≥48% for high-alumina grades), construction (e.g., self-flow ≥220 mm), and special properties (e.g., ≥15 thermal shock cycles). With batch control, sample retention, and strict visual checks, we ensure consistent quality for high-temperature industrial reliability.
The key quality tests typically include:
| Category | Test Item | Purpose | Key Requirement |
|---|---|---|---|
| Physical Properties | Bulk Density & Porosity | Assess compactness & strength | Density meets design; porosity ≤ specified |
| Cold Crushing Strength | Evaluate structural load capacity | ≥30 MPa (common castables) | |
| Refractoriness | Determine melting resistance | ≥ Service temp + 100–200°C | |
| Refractoriness Under Load | Check high-temp deformation | ≥ Service temp to prevent collapse | |
| Thermal Expansion | Ensure dimensional stability | Linear change within ±1% | |
| Chemical Properties | Composition Analysis | Verify main components & impurities | E.g., Al₂O₃ ≥48% for high-alumina castables |
| Slag Resistance | Test resistance to high-temp slag | Erosion depth/mass loss ≤ standard | |
| Thermal Shock Resistance | Assess resistance to temperature cycles | ≥15 cycles (standard condition) | |
| Construction Properties | Setting Time (Initial/Final) | Ensure workable construction time | Initial ≥30 min; final ≤8 h |
| Fluidity | Evaluate casting plasticity | Self-flowing ≥220 mm (e.g.) | |
| Moisture & Water Addition | Control mixing consistency | Dry moisture ≤1%; water addition 6%–8% | |
| Appearance & Packaging | Visual Inspection | Check for caking, impurities, damage | No clumps/impurities; particles intact |
| Packaging Integrity | Ensure transport protection | Sealed bags; clear labels (grade/batch date) | |
| Special Properties | Abrasion Resistance | For high-wear areas | Wear loss ≤ specified |
| Erosion Resistance | For fluid-scouring environments | Customized test criteria | |
| Batch Control | Sampling & Reporting | Ensure batch consistency | Random sampling; test report with batch data |
| Sample Retention | For quality traceability | Retain samples ≥3 months |
Through this meticulous testing process, we ensure that our Refractory castables meet the highest standards of quality, reliability, and performance, making them ideal for various applications in various industries.
Chapter 6
Chapter 7
In Summary
Low cement castable combines low cement content with superior refractory performance, offering heat resistance, abrasion resistance, and chemical stability for critical industrial applications. Choose engineered solutions for enhanced efficiency and longevity.
Henan Jianhong Refractory Materials Co., Ltd. is your trusted partner for high-performance refractory castable solutions. We can offering OEM/ODM services, competitive pricing, and fast global delivery. Our low cement castables meet ASTM, DIN, and GB standards, trusted by 500+ international clients in metallurgy, cement, and energy sectors.
