High Alumina Lightweight Insulating Brick

High Alumina Lightweight Insulating Brick System 1

High Alumina Lightweight Insulating Brick

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Specifications

1.Lightweight Mullite insulating brick
2.Manufacturer
3.ISO9001&CE
4.20 years experience of producing,researching,exporting

Lightweight mulite insulating brick

Lightweight mullite insulating brick
Density: 0.6-0.8g/cm3
Temperature: 1350-1550 degree
Al2O3: 45-60%
Stand Size: 230x114x65/75mm

Raw material of Lightweight mullite insulating brick:

JM insulating brick, using high pure mullite as raw material, is made by adding alumina powder according to different type and then sintered at high temperature. JM insulating brick is the new energy saving material for insulation.

CHARACTERISTIC of Lightweight mullite insulating brick:
Low density
High purity
Low thermal conductivity
Excellent thermal shock resistance

APPLICATION of Lightweight mullite insulating brick:
glass industries iron & steel industries
ceramics industries non-ferrous metals industries
electrolytic Aluminum industries power generation industries
Heat surface fireproof lining other fire-proof back lining

Tech Data of Lightweight mullite insulating brick:

Item	Lightweight Mullite insulating brick
Index/Brand	JM-23	JM-26	JM-28
AL2O3, % ≥	45	52	60
Fe2O3, % ≤	0.8	0.6	0.6
Bulk density g/cm3	0.8	0.9	0.9-1.0
Cold crushing strength MPa	2.1-3.0	3.0-4.0	6.0-7.0
Linear change after heating%(155O°C × 2h)	±0.5	±0.5	±0.8
Thermal conductivity (350°C±25°C)(w/m·k)	0.2-0.25	0.2-0.3	0.2-0.25
Maximum service temperature°C	1350	1450	1550

Lightweight insulating brick

Q:What's the price of high alumina refractory bricks?: Their refractory bricks are of good quality and low ex factory prices. Special high alumina refractory brick factory price of 1900 yuan / ton, a high alumina brick factory price of 1650 yuan / ton... This price applies to standard size, size 230*114*65mm, more products, prices go to see.

Q:Difference between low creep high alumina brick and ordinary high alumina brick: The emphasis is on the physical and chemical indexes of low creep and high alumina bricks. The physical and chemical indexes of the high alumina bricks are different, too. They are DRL-1550And LZ-75 perform GB GB/T2988-2012

Q:What is the difference between high alumina brick and clay brick?: There must be a difference. They vary in color from the amount of aluminum, the weight, the temperature, and the color. For example: 75 high aluminum and 43 clay bricks, 75 single weight 4.5kg or more. 43 3.65kg or so, the use of temperature 75, high aluminum in about 1520, 43 of brick 1430 or so, the color of 75 pan white, 43 of the Loess color. In short, the difference is great.

Q:What is the apparent porosity of high alumina brick?: In the production of high alumina bricks in addition to the entity, there are many different sizes and shapes of different pores, pores can be divided into three categories: one side closed the other side and the outside world is called open pores, closed in the product not communicated with the outside is called closed pores, penetrating through pores called the few products.

Q:Which thermal shock stability of clay brick and high alumina brick is good?: Generally, the thermal shock resistance of high alumina brick products is worse than that of clay brick products

Q:What is the content of free silica in the refractory bricks of high alumina bricks?: In the meantime, the free silica content of silicon brick is as high as 90% above. Therefore, the most serious damage is silicon brick, followed by clay brick, high alumina brick, magnesia brick and so on.

Q:What is the high temperature limit of refractory bricks and refractory soil?: According to the preparation process can be divided into bricks, brick, electric melting brick (Rong Zhuzhuan), the refractory insulating bricks; according to the shape and size can be divided into standard brick, ordinary brick, specific rotation. It can be used as high temperature building materials and structural materials for construction kilns and various thermal equipments, and can undergo various physical, chemical and mechanical changes at high temperature.

Q:Which is faster for heat transfer between corundum bricks and high alumina bricks?: 75 high aluminum and 43 clay bricks, 75 single weight 4.5kg or more. 43 3.65kg or so, the use of temperature 75, high aluminum in about 1520, 43 of brick 1430 or so, the color of 75 pan white, 43 of the Loess color. In short, the difference is great.

Q:What is the difference between T3 refractory bricks and high alumina refractory bricks?: The T3 in T3 refractory bricks refers to the model indicating that the refractory brick model is T-3, and that the corresponding T-3 model is 230*114*65 (mm)

Q:What are the characteristics of high alumina bricks?: High thermal stability, fire resistance above 1770. Slag resistance is good, used for masonry steel smelting furnace, glass furnace, cement rotary furnace lining. High R.U.L, low creep high alumina brick with high grade bauxite, fused corundum, fused mullite as main raw material of high-grade refractory materials.

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