- Place of Origin:CN;SHX
- Shape:Block
- Material:Alumina Cement
- Refractoriness (Degree):Common (1580°< Refractoriness< 1770°)
- SiO2 Content (%):30%
- Al2O3 Content (%):42%-75%
- MgO Content (%):None
- CaO Content (%):None
- CrO Content (%):None
- SiC Content (%):None
- Model Number:dkjl-003
- Brand Name:DKJL
High Alumina Refractory Runner Casting steel Brick
High Alumina Runner Brick Features and advantages:
1. High refractoriness.
2. Good spalling resistance and wear resistance.
3. Good corrosion resistance.
4. Good thermal shock resistance.
5. High mechanical strength.
6. High-temperature creep rate is low.
7. Good volume stability at high temperature.
Specification:
Index | High Alumina Brick for Blast furnace |
LZ-75 | LZ-65 | LZ-55 |
Al2O3, % ≥ | 75 | 65 | 55 |
Fe2O3,%≤ | 2.0 | 2.0 | 2.0 |
Refractoriness,°C≥ | 1790 | 1790 | 1770 |
Liner change on reheating(1500°C*2h) | 0~-0.2 | 0~-0.2 | 0~-0.2 |
0.2Mpa Refractoriness under load, °C≥ | 1520 | 1500 | 1480 |
Apparent porosity, % ≤ | 19 | 19 | 19 |
Cold crushing strength, ≥ | 70.0 | 58.8 | 49.0 |
Item | DL-80 | DL-75 | BDL-80 | BDL-75 |
Al2O3, % | 80 | 75 | 80 | 75 |
A.P.% | 19(21) | 19(21) | 18(20) | 18(20) |
P.L.C. 1500 X 2h | 0-0.3 | 0-0.3 | ±0.2 | ±0.2 |
CCS MPa | 75 | 65 | 60 | 55 |
Load softening temperature | 1530 | 1520 | 1530 | 1520 |
Thermal Shock (1100water cooling) | Issue actual value | 8 | 8 |
Application:
Widely used for Coke oven, Blast furnace, hot Blast Stove, Tunnel kiln, steel Ladle, Steel smelting furnace,waste incinerators, Casting products, Boilers, Cement kilns, Carbon furnace, Glass kilns and a variety of furnace linings and thermal equipment.
Packing: Standard export wooden pallet with PET strap fixed,paper or non-woven fabrics between layers,finally wrapped with plastic shrink film from outside.
Shipping: By vessel or plane from any Chinese port

Pictures Of High Alumina Runner Brick
1.Timely response,
Timely response to your inquiry, multiple choice recommendations based on your demand,quickly respond mails and provide solutions.
2.Free sample
Sample and trial order are accepted for the quality evaluation
3.Strict quality control
Arrange production on time and control quality strictly.
4.Shorter delivery time.
Book the earliest vessel or plane to guarantee the delivery time.
5.Professional Services
Provide all the detailed news and pictures from order to delivery;
Offer relative export documents and original certificate if needed;
Warm and considerable after-sale service
DKJL refractories exporting company is one of the most professional suppliers of refractories in China.Our main products are refractory bricks, thermal insulation material, heating elements, industrial ceramics and scientific instruments.They are available in various size and shapes. Our products enjoy a good reputation for their excellent quality and service in domestic and international markets.

Q1.How can I get your prompt quotation?
A:We can give our offer quickly if you kindly send the inquiry with following factors:drawing,dimension,service temperature,application and quantity.
We’d be appreciated if you can also provide the density and AL2O3 content of the brick.
Q2.What is the MOQ(minimum order quantity )?
500 pieces.
Q3.What is the HS code?
The HS code is 69022000
Q4. How can I contact you?

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