Carborundum Refractory Fire Brick

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Specifications

1.Passed ISO 9001;
2.57% Alumina content,or as customized;
3. Carborundum Fire Brick is widely used in iron-making.

AL2O3SiCC carborundum fire brick are universal materials for the lining of molten pretreatment equipments of molten iron tank, torpedo car, etc. The products are shaped by machine power by using dense bauxite clinkerand brown fused alumina as base materials and adding high quality SiC fines and high purity glake fraphite. It has the advantages of excellent slag resistance, thermal shock resistance, good resistance to mechanical erosion, abrasion resistance, etc.

Carborundum products belong to high grade refractory material,maximal use temperature is 1500°C,it has excellent thermal conductivity,heat shock stability,high load softening point and very good wear-resisting property,widely used in various industries with special requirement.

Item

Si3N4 bonded SiC brick

Sialon bonded SiC brick

Sialon bonded corundum brick

SiC,  %  ≥

72

70

80 (Al2O3)

Si3N4, %  ≥

20

5 (N)

5 (N)

Fe2O3, %  ≤

0.7

0.7

0.7

Bulk density g/cm3,  ≥

2.65

2.65

3.1

Apparent porosity %,≤

16

16

16

CCS  MPa,  ≥

150

150

120

MOR Mpa

Room temp. ≥

42

42

12

1400°C×0.5hrs ≥

45

42

20

Refractoriness under load

°C  ≥ (0.2MPa, 0.6%)

1700

1700

1700

Thermal shock resistance, cycles

(Water quenching at 1100°C)≥

30

30

30

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Q:What is the difference between cement foamed thermal insulation board and thermal insulating brick?
1, cement foam insulation board, as its name says, is "board", it is used on the exterior wall or roof, that is, the grass-roots has been done, and put a plywood outside, you can achieve the effect of insulation;2, insulation brick, mainly brick, it can be directly wall masonry, wall completed, the insulation effect is reflected.
Q:Can activated carbon be antiseptic?
In addition to activated carbon carbon, also contains two kinds of admixtures: one is the combination of chemical elements, mainly hydrogen and oxygen, these elements are due to incomplete carbonization and the residue in the carbon, or in the process of activation, non carbon and activated carbon surface chemical foreign combination, such as the use of water vapor when activated, the surface of the active carbon is oxidized or water vapor oxidation; another kind of admixture is ash, it is part of the inorganic carbon in ash; activated carbon is easy to cause two pollution.
Q:What is the exterior wall insulation material made of graphite?
Graphite polystyrene (SEPS) containing graphite particles special, can be like a mirror which contains thermal radiation, and can greatly enhance the heat insulation performance of the infrared absorption, thereby reducing the heat loss of housing. Its insulation capacity is at least 30% higher than the average EPS, helping to increase energy efficiency and reduce carbon dioxide emissions.
Q:There are several construction techniques for exterior wall insulation
Exterior wall sandwich insulation technologyThe exterior wall sandwich insulation is to place the heat preservation material between the inner and outer wall sheets of the outer wall, and the inner and outer walls can be made of concrete hollow blocks.Advantage:1) to the inner wall piece and the heat preservation material forms the effective protection, to the heat preservation material selection material request is not high (source: Chinese heat preservation net), polystyrene, glass cotton and urea aldehyde field casting material and so on may use;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:What is a JQK composite lightweight thermal insulation brick?
1. structural layer2. leveling layer3. waterproof layer4. thermal insulation layer and decorative layer
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:What's the difference between refractory bricks and insulating bricks?
Insulation brick mainly is used to heat, reduce heat loss, refractory brick is mainly used to withstand flame burn. Bricks usually do not contact fire directly, while refractory bricks usually contact the flame directly.
Q:What material is good for indoor thermal insulation?
Now the main building to do insulation, and generally use benzene board, we do indoor heat preservation is generally used, glass cotton is glass fiber, contact the skin after particularly uncomfortable
Q:Refractory bricks, burner bricks, insulation bricks? Is it a kind of thing?
The burner brick is heavy brick, the use temperature is higher, the insulating brick is light brick, the use temperature is lower than the heavy brick.
Q:What's the price of lightweight refractory bricks?
Insulation bricks according to size, material, performance of different prices are not the same, the same products in different regions also vary slightly

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