Standard Low Density Mullite Brick

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Product Description:

Specifications

1.Al2O3 38-45
2.Excellent thermal stability
3.Excellent insulating performance

                  Brand

Quality

JM23

JM26

JM28

JM30

Classification Temperature (°C)

1260

1430

1540

1650

Bulk Density (g/cm3)

0.55

0.78

0.88

1.03

Cold Crushing Strength (Mpa)

1.2

1.6

2.1

2.5

Modulus of Rupture (Mpa)

0.9

1.4

1.6

2.1

Reheating Linear Change (%) CT-30°CX 8H

1230°C

-0.5

1400°C

-0.5

1510°C

-0.5

1620°C

-0.9

Thermal Expansion1000°C(%)

0.5

0.7

0.8

0.9

Thermal conductivity(W/m.k)

400°C

0.14

0.27

0.32

0.41

600°C

0.16

0.29

0.34

0.43

800°C

0.18

0.31

0.36

0.44

1000°C

0.20

0.33

0.38

0.45

Al2O3 (%)

37

58

67

73

Fe2O3 (%)

1.0

1.0

1.0

0.5

Tolerance          

>250mm  ±1.0mm  <250mm  ±0.5mm

Corner edge damage: a+b+c< 30mm


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Q:What is the advantage for ceramic fiber material compared with refractory brick?
Heat capacity; excellent thermal shock resistance, good chemical stability, bearing sudden cooling and heating, without oven heating and cooling ,high speed, energy saving, is 1/8 of refractory brick, construction is simple. ceramic fiber materials and refractory brick belong to refractory insulation materials; low thermal conductivity: Low bulk density, ceramic fiber material is a new type of lightweight thermal insulation material, is one of the 10 points of lightweight refractory brick,
Q:What causes breakage of refractory bricks?
Refractory brick is a non metal mineral products can be used in the high temperature of 1550 DEG C under belongs to a class of inorganic, used in high-temperature furnace lining materials as protection kiln, which causes damage, usually have these points.Furnace temperature is not clear, there is no corresponding choice of refractory bricks.Physical impact, abrasion and erosion cause damageChemical factors, especially chemical industry, should be made of refractory bricks, which should be resistant to penetration and erosionIV: products from the factory when the factory did not pass the quality inspection standards
Q:is refractory brick used around the mechanism flue?
Q:What is mullite insulation brick?
According to the application temperature can be divided into: 1350 mullite bricks, 1450 mullite bricks, 1550 mullite brick etc..
Q:When the coal-fired steam boiler is built, it is necessary to build a common red brick between the refractory bricks. May I ask what is the requirement for this common red brick?
It has requirement for the external dimension (but not as strict as the requirement for the refractory brick), or it can not meet the thermal insulation effect and affect the appearance, and the appearance of the furnace wall is not beautiful
Q:What raw materials can be added to fireclay brick to respond to the urgent cold and urgent heat?
The higher the impurities, there is no need to add some expensive performance-improving raw materials. But you can mainly choose high purity raw materials to proporly increase the performance of the clay brick, such as thermal shock. You can change relatively high-grade refractory brick. It depends on your conditions of usage if the requirement is strict. The thermal shock resistance of clay brick itself is not bad, and will almost all be affected, because the clay brick is very cheap, inside the glass phase more. Creep.
Q:Outside brick wall, inside brick wall how to return a responsibility?
Use in indoor environment using brick, not so bad, are generally Youmianzhuan, of course there are all the tiles, bricks, colorful patterns, the appearance of small size error.
Q:The project cost in hydropower No.3 shaft wall is solid brick or insulating brick?
Aerated concrete for external walls is to save money. One side is the outer wall.. Solid bricks are the first thing, safety comes first.
Q:What are the sizes and sizes of clay bricks?
According to the compressive strength (Newton / square millimeter, N/mm2) the size is divided into MU30, MU25, MU20, MU15, MU10, MU7.5, these 6 intensity levels.The bigger the size, the stronger the compressive strength.
Q:The difference between polished tiles and glazed tiles?
Just because of the surface layer, so the pattern will slowly fade, it looks very old, but the brick does not have this problem, the brick on the market, some does not completely block brick has a pattern, just by the superposition technique, will have almost half the above pattern.

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