Refractory Castable

REBO offers a comprehensive range of refractory castable available directly from the manufacturer. More importantly, you benefit from tailored refractory casting solutions that significantly reduce the total cost of ownership (TCO) over the product lifecycle. In operating environments characterized by extreme heat, mechanical abrasion, and chemical erosion, the density and structural integrity of the furnace lining directly determine the operational uptime of the entire production line. Read on to discover how REBO refractory castables are the ideal fit for your project.

Leave a Message Send Email

1,200-1,800ºC

Classification Temperature

25kg/1,000kg

Bag Package

1.6-3.2g/cm³

Bulk Density

ISO/CE/SGS

Certificates

Easy to Use REBO Refractory Castable

From raw material sourcing to final delivery, every REBO brick is built to perform in the most demanding high-temperature environments. As high alumina fire bricks manufacturers, REBO has strong manufacturing, design, and solution capacity.

$mix-refractory-castable$

Easy to Mix and Cast

Strictly adhere to REBO installation instructions regarding water addition and mixing time. Ideally, the mixed castable should be used within 30 minutes. Please refer to REBO installation guidelines for high temperature castable refractory and furnace lining bricks.

$use-refractory-castable$

Easy to Use

Curing and dry-out are critical stages that determine the castable’s final physical properties. After installation, the material must harden under ambient conditions to allow for moisture release. REBO provides strict guidelines for controlling the heating-up process to ensure optimal lining performance.

Reasons for Using Refractory Castable in Refractory Lining

In high temperasture industries, the transition from traditional fire brick masonry to castable refractory materials, monolithic refractory cement and other linings represents a massive leap in operational efficiency and structural integrity. Global heavy industries increasingly specify castables for the furnace linings .

$Refractory-Castable-Kiln-Structure$

Perfect for Complex Kiln Structures

Castables are unshaped refractory materials characterized by exceptional fluidity and plasticity. During installation, one simply needs to erect a mold of the required shape, pour in the castable, and vibrate it to ensure compaction. It then cures perfectly into any complex, monolithic structure, achieving seamless coverage.

Seamless Kiln Lining

During high-temperature kiln operations, brick joints often represent the most critical weak points in the lining. Refractory castable materials are installed via monolithic casting, forming a continuous, joint-free lining upon curing that vastly improves the lining’s impermeability and sealing performance.

$Thermal-Stress-for-Refractory-Castable$

Mitigation of Thermal Stress

Once cured, the castable bonds firmly with the kiln’s steel shell to form an integrated unit. This structure boasts high mechanical strength, excellent impact resistance, and superior wear and thermal shock resistance, enabling it to withstand the long-term wear and tear of harsh operating conditions.

Leave a Message Send Email

REBO Refractory Castable List

High Alumina CastableAl2O3: ≥50-80%;
Bulk Density≥2.15-2.65g/cm³;

Low Cement CastableAl2O3: ≥45-92%;
Bulk Density≥2.3-3g/cm³;

$Corundum Refractory Castable$

Corundum Refractory CastableSiO2: ≥94-96%;
Bulk Density: 2.34-2.35g/cm³;

$Mullite Refractory Castable$

Mullite Refractory CastableAl2O3: ≥55-70%;
Bulk Density≥2.3-2.6g/cm³;

Silicon Carbide CastableSiC+C: ≥58-83%;
Al2O3≥9-20%;

Acid Resistant CastableSiO2: ≥45-52%;
Bulk Density≥1.6-2.0g/cm³;

Plastic CastableAl2O3: ≥35-80%;
Bulk Density≥2.15-2.65g/cm³;

Steel Fiber CastableAl2O3: 70-83%;
Bending Strength: 9-12MPa;

$Refractory Gunning Mix$

Refractory Gunning MixAl2O3: 32-70%;
Max Temp: 1300-1600ºC;

Wear Resistant CastableAl2O3: ≥60-80%;
Bulk Density≥1.90-2.85g/cm³;

$Refractory-Precast$

Refractory PrecastAl2O3: 85-92%;
Bulk Density≥2.85-2.9g/cm³;

Leave a Message Send Email

Cases of REBO Refractory Castable

Backed by a robust annual capacity of 280,000 tons and advanced chemical formulation capabilities, REBO delivers engineered security to over 50 countries, Now REBO is an approved realible refractory castable manufacturer for international EPC projects and global leading companies.

$High Alumina Refractory Bricks for Steel industry$ $High Alumina Refractory Bricks for Steel industry$ $High Alumina Refractory Bricks for Steel industry$ $High Alumina Refractory Bricks for teel industry$

REBO Support for RUSAL Project

RUSAL is one of the world’s largest aluminum producers and a global leader in low-carbon aluminum production. As a major player in heavy industry and non-ferrous metallurgy, RUSAL maintains rigorous international standards regarding the operational uptime, energy efficiency, and safety of the core kilns in its production lines. REBO is proud to have provided a comprehensive, one-stop solution—encompassing R&D, manufacturing, and delivery—for all the refractory bricks and monolithic refractories used in this project’s kilns. We currently conduct regular on-site visits to the client.

UAE Cement Rotary Kiln Retrofit

These cement clinker production lines, with a capacity of 6,000 tonnes per day (TPD), are subject to severe alkali-sulfur attack and intense thermal cycling. To achieve seamless sealing and prevent localized spalling, the project utilizes large quantities of high-permeability-resistant high-alumina castables and high-strength, wear-resistant castables as replacements for traditional refractory bricks.

High Alumina Bricks for Glass & Ceramics

Waste-to-Energy Incinerator Project in Brazils

Waste incineration generates significant amounts of highly corrosive chloride and alkali metal gases. To protect the water-cooled wall tubes, the interior of the furnace is extensively lined with silicon carbide (SiC)-based ramming mixes and gunning/casting materials, selected for the high thermal conductivity and superior resistance to chemical attack. Learn more cases on REBO Faceboook.

Refractory Castable Factory Strength

Wholesale Pricing

Strategically located in a core refractory production hub, REBO refractory utilizes intelligent manufacturing to significantly reduce production and labor costs. This enables us to offer highly competitive quotes for bulk orders and tender projects without compromising quality.

Annual Capacity

REBO boasts an annual refractory production capacity exceeding 150,000 tons, featuring automated production lines dedicated to monolithic refractories (such as castables, plastics, and ramming mixes). We ensure rapid response to orders and meet tight schedules for urgent kiln maintenance.

Extensive Project Experience

We offer more than just materials; we provide field-proven solutions. Over 60+ countries apply REBO castables worldwide, which earns the trust of numerous Fortune 500 industrial giants.

High Standards

Our facilities are fully certified to ISO 9001, ISO 14001, and ISO 45001 standards. All raw materials undergo rigorous physicochemical testing prior to production, ensuring full alignment with international standards.

Request a Consultation & Instant Wholesale Quote

Reliable castable refractory manufacturer should not come with risks. Whether you require a refractory castable formulation customized for a specific high-temperature environment or simply need the latest bulk pricing, just contact REBO. Here is a team of senior engineers is ready to assist you. REBO will reply as soon as possible.

FAQs of REBO Refractory Castable for Sale

Q: How Do You Guarantee the Chemical and Physical Performance Consistency?

A: REBO operates under strict ISO 9001:2015 quality standards. Every single batch of raw materials (bauxite, corundum, and specialized binders) undergoes rigorous lab testing before entering production. Our automated, computer-controlled batching system eliminates human error, guaranteeing that the chemical composition and physical properties perfectly match the Technical Data Sheet (TDS) for every shipment.

Q: Can You Customize the Refractory Castable Formula?

A: Yes, absolutely. Backed by a technical director and a team of engineers with 40+ years of industry experience, REBO specialises in custom formulations. Whether you need Low-Cement Castables (LCC) for high-strength requirements, Steel-Fibre Reinforced Castables for severe impact zones or Anti-Flaking Castables for high-alkali cement kilns, REBO can adjust the recipe to perfectly match your operating temperatures and chemical environments.

Q: How Are Your Refractory Castable Products Packaged to Prevent Damage During Sea Transit?

A: REBO implements a high international standard seaworthy packaging system. The castables are packed in heavy-duty, moisture-proof 25kg or 50kg multi-layer paper bags (or 1-ton big bags). Then they are securely stacked on strong, fumigated wooden pallets, tightly wrapped with heavy-duty stretch film, and strapped to ensure they remain completely dry and intact throughout long-distance maritime transport.

Q: Why Is Controlling the Water-Addition Ratio so Critical During Onsite Mixing?

A: Water addition directly determines the ultimate density, porosity, and strength of the cured castable lining. We always recommend sticking strictly to the ratio specified on our TDS (typically 5% to 8% by weight). Adding too much water may improve flowability temporarily, but it creates large voids after evaporation, which severely reduces mechanical strength and slag-erosion resistance.

Q: Do You Provide Baking Curves or On-site Technical Installation Guidance?

A: Yes. Proper baking is crucial to prevent the lining from cracking or exploding. For every project, we provide a customized Dry-out (Baking) Curve tailored to the lining thickness and castable type. For large-scale international projects, we also provide remote video technical support or dispatch experienced engineers onsite to supervise the mixing, pouring, and baking processes.

Q: Do You Provide Baking Curves or On-site Technical Installation Guidance?

Q: Can You Share Some of Your High-Profile Global Project Experiences?

A: Our refractory castables have been successfully deployed in over 60 countries across the globe. One of our most notable classical achievements is the full-kiln project for RUSAL (Russian Aluminium), where we delivered a complete package of custom refractory bricks and high-performance castables for their smelting furnaces. We also regularly serve top-tier conglomerates in the cement, steel, chemical, and CFB power industries throughout Southeast Asia, the Middle East, and Europe.