High alumina firebricks are classified according to the alumina
content which is from lowest 48% to highest95%, manufactured from mineral of bauxite, corundum, etc. by
mixing, press-forming, drying, sintering and machining. High
alumina bricks feature stable mechanical strength and thermal shock
resistance, with high refractoriness of no lower than 1880℃, High
alumina bricks are commonly used as refractory lining exposed to
heat directly or backup insulation linings in various types of
industrial kiln or laboratory furnace.
high alumina refractory brick
1. bricks are made from high quality bauxite
2. dry pressed
3. burned under tunnel kiln
4. accurate dimension
5. high strength
1. Steel furnaces
2. Iron making furnaces
3. Glass kiln
4. Ceramic tunnel kiln
5. Cement kiln
|Softening temperature under load||1530||≥1520||≥1500||≥1470||≥1420|
|Permanent linear change,%||1500°CX2H||+0.1|
|Cold Crushing strength Mpa||55||≥50||≥45||≥40||≥35|
|Application||All industrial furnace|
1)Raw material to factory→checkout→burdening→stirring→mixing→taking
out the raw material,
1)Going out the furnace→checkout→packing→qualified product→putting
2)The process from raw to product are strictly tested by equipment.
1.Inspection and Control of incoming raw materials: according to
the chemical content,raw materials are classified into different
levels to ensure quality of brick first.
2.Inspection and control of the process: during the
production,every brick will be weighed twice strictly to reduce the
error of weight .
3.Quality audit by quality management: inspection of product
standardization of quality of each product by process control and
experimentation, taking corrective measures timely whenever
deviations are noted.
4.Before delivery, the inspectors will inspect the size,appearance,
physical and chemical properties of brick again in factory.
Why choose Us
1. Strong professional:
Our company has thirty years producing experience in refractory
product. Our manager will supervise on a various refractory' s
production materials, process control, quality supervision and
package delivery, and ensure the products are 100% qualified.
2. Annual exports:
Now we have gained a global sales network reaching Taiwan, Russia,
Mongolia, South Korea, Vietnam, Pakistan, Bulgaria, Finland,
Greece, Spain, Congo, Angola, South Africa, and Maldives, Jordan
and so on. The export figure is more than USD 4 million.
3. Production equipment:
Production and testing equipments are new, complete and automated
or semi- automated. Such modern facilities and equipments have
provided the fine technical guarantee for the production and
4. Testing equipment;
Our company's testing equipments as follows:
High Temperature RUL Tester
Bulk Density Tester
The Pressure Tester