Castable
Shandong Haixin Refractory Material Co., Ltd. is located in Zibo, a nationally renowned refractory raw material production base. It is a large modern enterprise group integrating refractory material production and refractory furnace engineering construction.The company was founded in 1988. It mainly produces dozens of brands and hundreds of varieties of refractory products such as castable series, plastic series, prefabricated parts, refractory bricks, insulation bricks, aluminum silicate ceramic fibers, etc. After 30 years of development, our company has become a production base for wear-resistant refractory materials for industrial furnaces and kilns, and is a high-quality supplier of refractory materials for industrial furnaces and kilns with strong technical strength and supporting capabilities in China.
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The characteristics of... -
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Customized Services
Provide customized services to customers, design and produce the most suitable refractory materials according to their specific working conditions to ensure the best use effect.
Certification
The products have passed ISO9001 quality management system certification. Each batch of products meets international standards and has excellent cost performance, creating the greatest value for customers.
Sales Market
Our products are exported to the United States, Germany, Russia, India, Iran, Indonesia, Bangladesh, Kyrgyzstan and other countries and regions, providing high-quality products and services to domestic and foreign customers.
Advantages of Castable
Saves Time
The biggest industrial advantage that castable refractories offer is the time they save. Take the case of a furnace, for example. The castable refractory is made before its usage. Therefore, it significantly reduces the construction time of the furnace. Additionally, the castable refractory does not require extra baking time. That allows one to use their time efficiently.
Ease in usage
Castable refractories are pretty easy to use. But what is even better is how easily they can be cast in different shapes. Moreover, when treated and prepared, Castable refractories can meet harsh conditions without noticeable changes.
Significantly Better Structure Performance
Castables refractories are monolithic refractories, which is one of its biggest selling points. Once applied, the castable refractory can handle the harsh condition of the working environment for an extended period. Additionally, it also requires little to no maintenance throughout its life. That allows for overall sound structure performance and durability.
Furnace and Kiln Linings: Castables are widely used to line furnaces and kilns in various industries, such as steelmaking, cement production, and glass manufacturing. They provide a protective layer that withstands high temperatures, chemical attack, and abrasion.
Boiler Linings: Castables are employed in boiler linings to protect the boiler tubes from the intense heat and corrosive gases generated during combustion.
Incinerators: Castables are used in incinerators to line the combustion chambers and flue gas systems, where they resist the harsh environment of high temperatures, toxic gases, and abrasive particles.
Foundry Applications: Castables are used in foundry applications to form molds, cores, and pouring cups for casting metals. They provide high temperature resistance and good heat transfer properties.
Repairs and Patching: Castable can be used to repair damaged or worn refractory linings in furnaces, kilns, boilers, and other industrial equipment.
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TYPE/ITEM/INDEX |
UNIT |
HX-1 |
HX-2 |
HX-3 |
|
|
Al2O3 ≥ |
% |
60 |
65 |
70 |
|
|
Bulk density ≥ |
110℃×24h After drying |
G/cm³ |
2.40 |
2.60 |
2.80 |
|
Cold modulus of rupture≥ |
110℃×24h After drying |
MPa |
7 |
8 |
9 |
|
|
1000℃×3h After burning |
|
9 |
11 |
13 |
|
Cold crushing strength ≥ |
110℃ ×24h After drying |
MPa |
55 |
60 |
65 |
|
|
1000℃×3h After burning |
|
80 |
90 |
100 |
|
Linear change |
1000℃×3h |
% |
-0.3～+0.3 |
-0.3～+0.3 |
-0.3～+0.3 |
|
Abrasion resistance ≤ |
1000℃×3h After burning |
Cm3 |
9 |
8 |
7 |
|
Thermal shock resistance(1000℃ water cooling)≥ |
Times |
20 |
20 |
20 |
|
|
Maximum operating temperature |
℃ |
1400 |
1450 |
1500 |
|
|
Note: The maximum operating temperature refers to the temperature at which the linear shrinkage of the material is not greater than 1.5% after calcination for 5 hours. |
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Types of Castables
Low Cement Castables
Low cement castables (LCC) are a type of refractory castable that are made with a low amount of cement content, typically less than 5%. The low cement content results in a highly dense and strong material that has excellent mechanical and thermal shock resistance.
Self-Flowing Castables
Self-flowing castables (SFC) are a type of castable refractory that are designed to be highly fluid and able to flow into complex shapes and areas. They are made with a special binder system that allows for excellent flowability and self-leveling properties.
Insulating Castables
Insulating castables (IC) are a type of refractory castable that are designed to have a low thermal conductivity, resulting in excellent insulation properties. They are made with lightweight aggregates and high-purity binders, resulting in a material that is both strong and lightweight.
High-Alumina Castables
High-alumina castables (HAC) are a type of castable refractory that are made with high-purity alumina aggregates and binders. They have a high alumina content, typically above 80%, resulting in a material that is highly resistant to abrasion, corrosion, and erosion.
Mullite Castables
Mullite castables (MC) are a type of castable refractory that are made with mullite-based aggregates and binders. Mullite is a high-temperature ceramic material that has excellent thermal shock resistance and chemical resistance.
Silicon Carbide Castables
Silicon carbide castables (SCC) are a type of refractory castable that are made with silicon carbide-based aggregates and binders. Silicon carbide is a high-temperature ceramic material that has excellent thermal conductivity, abrasion resistance, and chemical resistance.
Phosphate-Bonded Castables
Phosphate-bonded castables (PBC) are a type of refractory castable that are made with a phosphate-based binder system. The binder system results in a material that has excellent chemical resistance and high strength at high temperatures.
Steps for Proper Installation of Castables
Here are the significant steps involved in the installation of castables:
Preparation
It is essential to ensure the substrate is clean, dry, and free from dust. If necessary, you can use a bonding agent to improve the adhesion between the substrate and the castable.
Mixing
You must follow the manufacturer’s instructions when mixing castable with water. An appropriate amount of water is essential to achieve the desired consistency. To hydrate well, leave the mixture for a few minutes, which helps obtain its desired properties.
Applications
You can apply the castable mixture into molds or forms. Now, spread the material evenly and vibrate it to eliminate the voids or air pockets for proper consolidation.
Curing
Castable should be cured properly until the recommended period of time, which may range from 24 to 48 hours. To achieve the desired strength, avoid rapid moisture loss and temperature fluctuations.
● It is mandatory to store the castables in a dry, cool area to prevent hardening and moisture absorption.
● Keep them away from extreme temperatures and direct sunlight.
● Avoid using old castables that may be contaminated and affect the overall strength and durability of the castable mix.
● Must use drinking water to mix castable. Being aware of the manufacturer’s instructions can help you achieve the right consistency.
● Mixing castables needs extra care and attention. Too much heat production can speed up the setting time and may fail to achieve the desired strength.
● After pouring the castable, it must set for 24 to 48 hours without causing any disturbance.
Cover it with a polythene sheet to avoid rapid moisture loss and maintain proper temperature through the process.
Packaging and Shipping
FAQ
We're well-known as one of the leading castable manufacturers and suppliers in China. Please feel free to buy castable at competitive price from our factory. Contact us for more details.