Mullite Light -Weight Brick

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Product Description:

The raw material is crude highquality highalumin low ferrous content material. The unique polylight spheres producing technique is adopted. The main structure of this high-quality heat insulation refractory brick is mullite crystal phase. The characteristics of this product are:

High compression strength

Good high-temperature performance

Excellent thermal shock stability

Low thermal conductivity

Outstanding penetration resistance ability

Erosion resistance

Application:

It may be widely used as the lining and the heat insulation layer of industrial  kilns in the fields of metallurgy, petrochemistry, machinery, power, ceramics, etc... It is an ideal product of long service life, energy-saving and effects-enhancing product.

Brand

Item

JM-23

JM-26

JM-28

JM-30

Al2O3(%)min

37

50

60

68

Fe2O3(%)max

1.0

1.0

0.7

0.5

SiO2(%)max

45

43

36

29

Safty Application Temp.(°C)max

1260

1430

1540

1650

Bulk Density(g/cm3)

0.5

0.8

0.95

1.05

Bending strength(Mpa)min

0.7

1.1

1.6

2.0

Crush strength(Mpa)min

1.0

2.0

2.3

2.7

RLC(%)max

1230°C×24h

0.3

1400°C×24h

0.4

1510°C×24h

0.5

1600°C×24h

0.6

Reversible thermal expansion at1090°C(%) max

0.5

0.6

0.8

0.8

Thermal conductivity (w/m.k)max

400°C

600°C

800°C

1000°C

0.15

0.17

0.19

0.24

0.28

0.31

0.33

0.35

0.33

0.36

0.39

0.42

0.41

0.43

0.45

0.48

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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:How much is a thermal brick
If you really want to buy thermal insulation brick, do not simply look at the price, but also to consider the quality of the product. (a piece of brick in the market basically in 6 yuan, if there is a floating price if it is because of the size of the insulation brick or distance, but floating slightly.)
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:Masonry method for boiler refractory brick
In accordance with the construction procedure of from bottom to top, from the inside to the outside of the drum and the lower part of the principle of convection tube flame plate concrete when the interval is from top to bottom.
Q:What are insulation bricks for? Do not use high-rise buildings on the ah?
Heat preservation and heat insulation, that depends on the design of the drawing
Q:What is the exterior wall insulation material made of graphite?
Graphite is polystyrene board, polyurethane graphite plate, from the point of view of building the acceptance specification in the use process, the core index of insulation material is the heat transfer coefficient and safety, by now a large number of glazed hollow bead slurry from the actual situation it seems difficult to ensure the quality of construction materials should be on site workers slurry mixing, finished product the quality gap made out of very large.
Q:Can fly ash brick keep warm?
Sure, I do fire-resistant insulation bricks, we also use fly ash ah!
Q:Is sintering insulation brick good or concrete porous brick good?
Thermal insulation brick is functional material, it is better than porous brick in thermal insulation. At the same time, the internal heat preservation material, so the overall cost is more, the hole brick should be higher.
Q:Advantages and disadvantages of external formwork and self thermal insulation block
Exterior wall sandwich thermal insulation technology, the exterior wall sandwich insulation is placed between the inside and outside wall panels of the outer wall, and the inner and outer wall can be made of concrete hollow block.Advantage:1) the inner wall film and insulation material form effective protection, the material selection of heat insulation material is not high, polystyrene, glass cotton and urea formaldehyde on-site pouring material can be used;2) the construction season and construction conditions are not very high, and it does not affect the winter construction. In Heilongjiang, Inner Mongolia, northern Gansu and other cold areas have been given some applications.Shortcoming:1) in non cold areas, this kind of wall is thicker than traditional wall;2) the inner and the outer wall pieces need to be connected by connecting pieces, and the structure is more complicated than the traditional wall;3) periphery structure of "bridge" more. In the earthquake zone, building circle beam and constructional column settings, "bridge" more efficiency of thermal insulation materials is still not fully play.4) outside the walls by the outdoor climate, the temperature difference between day and night and the large temperature difference between summer and winter, easy to cause the wall cracking and leakage of rainwater.
Q:The difference between ordinary and diatomite brick refractory brick?
Insulation products made from diatomaceous brick and porous diatomite. The main raw material is natural porous diatomite, and then a small amount of clay and fuel are added. The volume density of diatomite brick was 0.7g/cm3, compressive strength at room temperature is 1 ~ 2MPa, the coefficient of thermal conductivity at 400 C for 0.13 ~ 0.20W/ (M - K), the apparent porosity is greater than 70%, the coefficient of thermal expansion (1280 degrees) 0.9 x 10 - 6 DEG -1, refractoriness is greater than 1250 DEG C. Mainly used in industrial kilns and other thermal equipment, thermal pipes insulation materials, generally withstand the hot surface temperature of about 1000 degrees celsius. Mainly used in industrial kilns and other thermal equipment, thermal pipes insulation materials, generally withstand the hot surface temperature of about 1000 degrees celsius.

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