High Strength Corundum Mullite Refractory Castable High Alumina Corundum Castable
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Product Highlights
- High Alumina Content: Al2O3 content ranges from 85% to 93% for superior performance.
- Customizable Size: Product size is customizable to meet specific project needs.
- Wide Application: Ideal for metallurgy, petrochemical, and building materials industries.
- Long Service Life: Significantly longer lifespan than high alumina and mullite castables.
- Certified Quality: ISO9001, CE certified ensuring high quality and safety standards.
- Fast Lead Time: Mass production lead time is approximately 7-12 days.
- Manufacturer Direct: Direct from manufacturer with competitive pricing and high quality.
Product Attributes
- Customization
- Available
- Material
- Corundum
- Refractoriness (℃)
- 1580< Refractoriness< 1770
- Model NO.
- RS-C-012
- Shape
- Powder
- Product Name
- Low Cement Fire Refractory Corundum C
- Size
- Customizable
- Certifiacte
- ISO9001, CE, etc
- Application Limit Temp
- 1400-1800℃
- CCS/Mor
- 14-60MPa
- Bulk Density
- 2.0-2.9g/cm3
- Thermal Conductivity
- 0.6-1.1W/M.K
- Sio2
- 10-55%
- Package
- Sea-Worthy Wooden Pallet+Woven B
- Feature
- Instant Materials
- Type
- Refractory Material
- Transport Package
- Bag
- Specification
- 25kg/bag, 50kg/bag
- Trademark
- RSNC
- Origin
- China
- HS Code
- 3816000000
- Production Capacity
- 20000 Tons/Year
Product Images of High Strength Corundum Mullite Refractory Castable High Alumina Corundum Castable
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Product Description

Description of Refractory Material Corundum Castable:

Corundum castable has excellent high temperature performance, it can replace ordinary castable and some burned refractory products. The main applications of corundum castable are metallurgy, petrochemical industry, building materials industry, machinery industry and so on. The service life of corundum castable is significantly longer than high alumina castable and mullite castable.
Technique Data of Refractory Material Corundum Castable:
| Item | Low cement corundum castable | Ultra low cement corundum castable | No cement corundum castable |
| Al2O3 % | 85 | 92 | 93 |
| CaO % | 1.8~2.3 | 1.0 | 0.1 |
| Bulk density g/cm3(110ºC,16h) | 3.21 | 3.28 | 3.32 |
| Bulk density g/cm3(1500ºC,3h) | 3.15 | 3.25 | 3.29 |
| Linear change rate %(1500ºC,3h) | -0.50 | -0.17 | -0.02 |
| Modulus of rupture MPa (1500ºC,3h) | 24.1 | 22.0 | 37.6 |
| Crushing strength MPa (1500ºC,3h) | 120.0 | 157.5 | 197.9 |
| Water quantity % | 5.5~6.5 | 5 | 5 |
Packaging: 25kg/bag, two layers kraft bag with water proof, and with ton bag outside or each ton packed on a fumigation pallet according to customers' request.

Production Line of Refractory Material Corundum Castable:

ZHENGZHOU RONGSHENG REFRACTORY CO., LIMITED
Established in the early nineties of twenty century, with continuous innovation and development, now it is a comprehensive enterprise in refractory materials industry, covering metallurgy, building materials, electric power, chemical industry etc.
We have own workshop , advanced production line , experienced workman and stricted check out flow .
So choosing us is the right choice for you.If you are interested in our Low cement refractory castables or if you have any question, pls feel free to contact us at any time. We will reply as soon as possible.

Rongsheng's main products are various types of unshaped refractory products, which are widely used in metallurgy, nonferrous metals, building materials, electric power, petrochemical and other industries. The company has an automatic production line with an annual output of 80,000 tons of intelligent unshaped refractory products. Its products are sold in more than 60 countries around the world and have won wide acclaim from customers.
Q: Are you trading company or manufacturer ?
A: We are Manufacturer of refrcatory , We can provide you with high quality products at more competitive prices.
Q: When can I get the price?
A: We usually quote within 24 hours after getting your detailed requirements, like size, quantity etc. If it is an urgent order, you can call us directly.
Q: What about the lead time for mass product?
A: The lead time is based on the quantity, about 7-12days.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2591342". Items marked "" are certified.
Company Profile
Rongsheng Refractory specialize in refractory products for nearly 30 years, covering a full range of High Alumina Bricks, Sillica Bricks, Fused AZS 33/36/41 Bricks, Mullite JM 23/26/28/30 Bricks, Magnesia Bricks, Magnesia Chrome Bricks, Magnesia Carbon Bricks, SiC Bricks, Dense and Light Weight Insulaing Castables, Graphite Electrode and other related products for more sophisticated applications.
Our products are widely used in metallurgy, nonferrous metals, building materials, electric power, petrochemical and other industries. The company has an automatic production line with an annual output of 80, 000 tons of intelligent unshaped refractory products. Its products are sold in more than 120 countries around the world and have won wide acclaim from customers.
Rongsheng Refractory pays attention to technological innovation and product research and development, and has established close cooperative relations with many universities and scientific research institutes. It has successively established technical research and development centers and product testing laboratories, and has advanced refractory physical and chemical testing equipment. The company has also passed the quality management system, environmental management system, occupational health and safety management system certification, high-tech enterprise certification, etc.
We have focused on the development and innovation of refractory materials and high-temperature furnace technology, and strive to provide customers with comprehensive, personalized and cost-effective services with high-quality products. Our products are widely used in electric power, metallurgy, petrochemical and other fields, and are exported to more than 120 countries and regions in the world such as Europe, America, Oceania, Southeast Asia, and the Middle East.
We can provide you with the most advantageous quotations and products. Looking forward to be your partner!
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 10th/11th Floor, Building 6, China Central Electronic Commerce Port, Daxue Road, Erqi Dist, Zhengzhou, Henan, China
-
Plant Area
- 8004 square meters
-
Number of Employees
- 133
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 1 ton
-
Supply Chain Partners
- 30
Our Production Capability & Technical Expertise
-
Main Products
- Refractory Brick, Refractory Castable, Graphite Electrode, Refractory Cement, Ramming Mass, High Alumina Bricks, Magnesia Bricks, Corundum Bricks, Mullite Bricks, Insulation Bricks
-
Production Lines
- 2
-
Production Machines
- Crushing Machine, Packing Machine, Storage Bin, Mixing Machine
-
QA/QC inspectors
- 5 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2011-03-23
-
Export Year
- 14 years
-
Main Markets
- South America, Europe, Southeast Asia/ Mideast, Africa, Middle Asia
-
Repeat Buyers Choice
- 30%~50%
-
Number of Foreign Trading Staff
- 32
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015, ISO45001:2018, ISO14001
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- Are you a trading company or manufacturer?
- We are a manufacturer of refractory materials, providing high-quality products at competitive prices.
- How long does it take to get a price quote?
- We usually quote within 24 hours after receiving your detailed requirements, such as size and quantity. For urgent orders, you can call us directly.
- What is the lead time for mass production?
- The lead time depends on the quantity, typically about 7-12 days.
- What is the Al2O3 content of the castable?
- The Al2O3 content ranges from 85% to 93%, depending on the specific type (Low cement, Ultra low cement, or No cement).
- What are the main applications of this product?
- It is widely used in metallurgy, petrochemical industry, building materials, machinery industry, and other sectors requiring high-temperature resistance.
- Is the product size customizable?
- Yes, the product size is customizable to suit your specific requirements.
- What certifications does the product have?
- The product is certified with ISO9001 and CE, ensuring quality and compliance with international standards.
Send your message to this supplier
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