Wholesale High Alumina Insulation Brick Customizable High Alumina Light Weight Insulation Brick
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Product Highlights
- High Alumina Content: Contains over 48% alumina oxide for superior heat resistance.
- Customizable Options: Offers customization for product name, raw material, and shape.
- High Compressive Strength: Features strong mechanical intensity and cold crushing strength.
- Excellent Thermal Shock Resistance: Withstands rapid temperature changes and corrosive gases.
- Lightweight Design: Low volume density ranging from 0.6 to 1.2 g/cm3.
- ISO9001 Certified: Manufactured under ISO9001 quality management system.
Product Attributes
- Customization
- Available
- Application
- Industrial Furnaces
- Material
- Alumina Block
- Refractoriness (℃)
- 1580< Refractoriness< 1770
- Product Name
- High Aluminum Insulation Brick
- Raw Material
- High Alumina Bauxite
- Color
- Yellow
- Thermal Conductivity (350°c)W/M.K
- Less Than 0.30
- Size
- 230*114*65/75
- Bulk Density(g/cm3)
- 0.6~1.2%g/cm3
- Reheating Linear Change
- 1350~1400
- Certificate
- ISO9001
- Cold Crushing Strength MPa
- More Than 2.0
- Feature
- Long Time Materials
- Type
- Refractory Material
- Shape
- Brick
- Transport Package
- Wooden Box
- Specification
- Customizable
- Trademark
- RSNC
- Origin
- China
- Production Capacity
- 5000t/Year
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
Introduction of High Alumina Insulation Brick
Light Weight High Alumina Brick, also known as high-aluminium heat insulating brick, are used in building heat insulating walls or heat preserving walls, which is basically for preserving or insulating heat. Light weight high alumina bricks contain more than 48% alumina oxide. This kind of brick does not directly exposed to high temperature inside kilns or furnaces, it only built closely to the kiln wall as insulations. It is a good insulation refractory material, which has a high compressive strength, low thermal conductivity and good insulation quality.

High Alumina Insulation Brick Features1. High refractoriness, can reach 1650-1800ºC, can contact with the flame directly, suitable for various atmosphere.
2. High mechanical intensity.
3. Low levels of iron and other impurities.
4. Good thermal shock resistance.
5. Chemical stability.
6. High porosity, low volume density, good thermal insulation effect,energy-efficient.
7. Low thermal conductivity, stable quality.
8. Excellent thermal shock resistance.
9. Strong resistance to the corrosive gas and slag.
Technical Data of High Alumina Insulating Brick
| Name | Light Weight High Alumina Brick | ||
| LG-0.6 | LG-0.8 | LG-1.0 | |
| Volume Density(g/cm3) | 0.6 | 0.8 | 1 |
| Cold Compression Strength (Mpa)≥ |
1.96 | 2.94 | 4 |
| Reheating Linear Change 1300ºC12h(%)≤ |
1350 0.5 |
1400 0.5 |
1450 0.5 |
| Thermal Conductivity Average Temperature 350±25ºC(w/k•m) | 0.25 | 0.32 | 0.45 |
| 0.1MpaRUL (ºC) ≥ | 1300 | 1350 | 1380 |
| Al2O3(%)≥ | 50 | 52 | 52 |
| Fe2O3(%)≤ | 1.8 | 1.6 | 1.5 |
| Maximum Using Temperature | 1300 | 1350 | 1380 |
Application of High Alumina Insulation Brick
Light Weight High Alumina Brick is used in parts that is not exposed to abrasions and high temperature of melted matters. They should not be applied in environment that has a temperature higher than 1350ºC.
.As a low price refractory material, the light weight high alumina bricks are applied in:
.Furnace Lining And Insulation Layers
.Ceramic Tunnel Kiln
.Roller Kiln
.Shuttle Kiln
.Heating Furnace & Coking Furnace In Iron And Steel Industry
.Other Thermal Equipment & Heat Treatment Lining

Packaging : Packed by sea-worthy wooden pallet + shrink wrapped + carton For example, Standard size of Fireclay brick : 230x114x65mm Shipping : 384pcs/plt x 18plts in one 20 feet container;

RS Refractories Co., Ltd. is located in Henan, China. Our company has professional scientific and technical personnel and production team, and we have our own fully automated factories. For more than ten years, 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 70 countries and regions in the world such as Europe, America, Oceania, Southeast Asia, and the Middle East.
RS Refractories Co., Ltd. is a first-class supplier of refractory materials, we can provide you with the most advantageous quotations and products. Looking forward to be your partner!

A: Yes, of course, our factory is in Xinmi,zhengzhou city,Henan province.
A: Sure,welcome at any time,seeing is believing.
Q3. Do you accept OEM?
A: Yes, we can do OEM.
Q4. What's the MOQ of trial order?
A: No limit,We can offer the best suggestions and solutions according to your condition.
Q5. What are the payment terms?
A: Usually T/T,but L/C,Western Union etc are available for us.
Q6. How long is delivery time?
A: The delivery time will be determined according to the quantity of the order.
Q7. How are your products' quality?
A: The products will be strictly inspected before shipment, so the quality could be guaranteed.
Q8. How to solve the quality problems?
A: If the products are not confirmed to customer samples or have quality problems,our company will be responsible to make compensation for it.
Q9. What is the service life of your bricks?
A: The service life of different bricks is unlike.It also depends on your using condition and method.
Q10.How about your company's certification?
A: ISO9001 and Test Report,also we could apply other necessary certification.
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 manufacturer?
- Yes, our factory is located in Xinmi, Zhengzhou City, Henan Province.
- Do you accept OEM orders?
- Yes, we can provide OEM services for your products.
- What is the MOQ for a trial order?
- There is no limit on the MOQ for trial orders; we offer solutions based on your conditions.
- What are the payment terms?
- We usually accept T/T, but L/C, Western Union, and other methods are also available.
- How long is the delivery time?
- Delivery time depends on the order quantity; peak season lead time is one month, off-season is within 15 workdays.
- How do you ensure product quality?
- Products undergo strict inspection before shipment to guarantee quality.
- How are quality problems resolved?
- If products do not match samples or have quality issues, we will provide compensation.
- What certifications do you have?
- We hold ISO9001 and Test Report certifications, and can apply for other necessary certifications.
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