Your Professional Refractory Castable Supplier
Shandong Luming New Materials Technology Co., LTD covers an area of 62 acres(approx. 41,000㎡),offers end-to-end production solutions. We are fully equipped with facilities for raw material crushing and pulverizing, automated castable batching, precast block molding, tunnel drying, high-temperature shuttle kiln firing, and precision processing of both precast and fired products, ensuring we can fulfill the requirements of customers in any industry.Shandong Luming New Materials Technology Co., LTD Founded in 2003, it is the largest unshaped refractory material production enterprise in Shandong Province, located in Zhoucun District, Zibo City.
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Corundum Mullite Refractory CastableShandong Luming New Materials Co., Ltd., a leading enterprise in China's refractory industry with over 20 years of expertise, specializes in manufacturing high-performance . This advanced...view more
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Low Cement High Aluminum Refractory CastableShandong Luming New Materials Co., Ltd., a leading Chinese refractory manufacturer with 20+ years of experience, specializes in producing high-performance Low Cement Refractory Castable. Composed...view more
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Low Cement Mullite Refractory CastableShandong Luming New Materials Co., Ltd. has developed the breakthrough Low Cement Mullite Castable, representing a significant advancement in modern refractory technology. Utilizing high-purity...view more
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Azs Refractory CastableShandong Luming New Materials Co., Ltd. specializes in manufacturing high-performance AZS refractory castable, which combines high-purity alumina, zirconia, and silica to deliver exceptional...view more
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High Strength Refractory CastableShandong Luming New Materials Co., Ltd., a leading enterprise in China's refractory industry with over 20 years of expertise, proudly presents our High Strength Refractory Castable - a...view more
Why Choose Us
Quality Assurance
Our company obtained ISO9001 International Quality Management System certification from the China Quality Certification Centre (CQC) in 2006.
After-Sale Service
Professional and thoughtful after -sales team, let you worry about us after -sales Intimate service, strong after -sales team support.
Custom-Engineered Solutions
By pioneering new energy-saving refractory materials and innovating kiln lining designs, we dedicate ourselves to helping clients achieve energy conservation and emission reduction goals.
Production Market
We have established long-term business cooperation and joint product R&D projects with leading design institutes, including:Dalian Design & Research Institute of ACRE (Coking & Refractory Engineering Consulting Corporation, MCC)),Shandong Metallurgical Design Institute Co., Ltd,Changsha Research Institute of Mining and Metallurgy (CRIMM), Minmetals.
High Thermal Conductivity
Refractory castables exhibit excellent thermal conductivity, ensuring efficient heat transfer within the furnace. This property helps in achieving uniform temperature distribution, reducing energy consumption, and ultimately extending the furnace’s lifespan.
Ease of Installation
Unlike traditional refractory bricks, castables are easier to install, requiring minimal labor and reducing downtime during furnace repairs. This streamlined installation process results in cost savings and improved productivity.
Customization
Refractory castables can be tailored to suit specific furnace requirements. Whether you need resistance to abrasion, chemical corrosion, or high temperatures, Pennekamp Middle East can provide castables with the right composition to meet your needs.
Reduced Maintenance
With their durability and resistance to thermal stress, castables require less frequent maintenance and repair. This translates into lower maintenance costs and extended furnace lifespans.
Versatility
Castables are suitable for a wide range of applications, from foundries and steel plants to petrochemical and cement industries. This versatility makes them a versatile choice for various furnace types.
Specification
|
Property |
Value |
|
Al₂O₃ Content |
≥80% |
|
Bulk Density (110℃) |
2.85 g/cm³ |
|
CCS (110℃×24h) |
100 MPa |
|
CCS (1400℃×3h) |
120 MPa |
|
Thermal Conductivity |
1.5 W/(m·K) |
|
Maximum Service Temp |
1600℃ |

Conventional Castables: These are made with a mix of coarse and fine aggregates and are commonly used for general applications.
Low Cement Castables: These have reduced cement content, which enhances their thermal shock resistance and mechanical strength.
Ultra-Low Cement Castables: With even less cement, these castables offer superior performance in extreme conditions and are often used in critical areas of high-temperature systems.
Self-Flowing Castables: These are designed to flow easily into molds or around complex shapes without the need for vibration, making them suitable for intricate applications.
Insulating Castables: These are lightweight and provide excellent thermal insulation, often used in areas where heat retention is crucial.
Alumina and alumino-silicate refractory castables are further classified in several ways based on the attributes such as chemistry and/or mineralogy, alumina content/refractoriness ( super duty, 60 % alumina etc.), mineral base ( mullite, fused silica etc.), density/thermal insulating value (dense, medium weight, light weight/insulating etc.), cement content ( conventional, low cement, and ultra low cement etc.), and flow/placement characteristics (vibrating, casting, free flow, shotcrete etc.).
The proportions of each components (refractory aggregates, matrix components, bonding agents, and admixtures) used in the refractory castable vary in each castable composition to achieve the desired physical and chemical properties and characteristics for the intended castable application. The general ranges of component quantities in a refractory castable are (i) aggregate, 40 % to 80 %, (ii) modifiers, 5 % to 30 %, (iii) bonding agents, 2 % to 50 %, and (iv) admixtures ,up to 1 %.
The refractory aggregates constitute the basic skeleton of the castable and account for the largest amount of the formulation. The sizes of the aggregates can range from 20 mm to 300 mm. Aggregates are sized and proportioned for achieving the desired packing and particle size distribution. A wide variety of refractory aggregates is available, and castables can be formulated based on one or a combination of aggregates to achieve the desired chemistry, mineralogy, and physical properties.

Key Characteristics of Refractory Castable
High Temperature Resistance
Refractory castables can withstand temperatures ranging from 1,200°C (2,192°F) to over 1,800°C (3,272°F), depending on the specific formulation.
01
Low Thermal Conductivity
They provide good insulation properties, helping to maintain high temperatures while minimizing heat loss.
02
Chemical Resistance
Many refractory castables are formulated to resist corrosive environments, making them suitable for use in applications involving molten metals, glass, or other aggressive materials.
03
Durability
They are designed to resist wear and mechanical stress, ensuring longevity in demanding conditions.
04
Versatility
Refractory castables can be custom-designed for specific applications, including monolithic linings, patching materials, and precast shapes.
05

》Raw material quality control including physical and chemical testing.
》Crushing and grinding of bulk raw materials.
》According to customer data sheet required to mixing Raw Material.
Pressing or shaping the green brick depend on different raw material and brick shape.
》Dry the bricks at dryer kiln.
》Put the bricks into the tunnel kiln to burning by higher temp from 1300-1800 deg.
》The quality control department will inspect the finished refractory bricks random.
Application of Refractory Castable
Cement Industry
Cyclone preheaters, kiln inlets, and burner pipes, where High-Strength Refractory Castable withstands extreme thermal and mechanical stresses.
01
Steel Plants
Ladle bottoms and tundish impact pads, offering superior resistance to molten metal erosion.
02
Mining & Minerals
Rotary kiln transition zones, enduring constant abrasion.
03
Petrochemical
FCC unit linings and reformer walls, maintaining integrity in corrosive environments.
04
Power Generation
Boiler linings and ash-handling systems, providing long-lasting performance.
05
- Standard Packaging: Wooden pallets with plastic wrapping (1 ton/pallet)
- Custom Options:
Seaworthy wooden cases
Moisture-proof packaging
Customer-specific labeling
- Global Shipping: FOB Qingdao port

FAQ
As one of the most professional refractory castable manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy refractory castable at competitive price from our factory.
Low Cement High Aluminum Refractory Castable, High Strength Refractory Castable, Corundum Mullite Refractory Castable