Silicon Nitride-Carborundum Fire Brick

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Product Description:

1. Characteristic

High strength

Low thermal expansion coefficient

Good thermal conductivity and thermal shock resistance

Good resistance to liquid aluminum erosion capability

High erosion

2. Applications

Widely used in large aluminum electrolytic cell of lining material. In the electrolytic aluminium industry, because of nitride bonded silicon carbide products can be made thin wall lining, enlarge the tank capacity, improve the thermal conductivity, can rapid cooling, and they are permitted to enter a higher power, increase the tank production capacity, at the same time, in its surface can form alumina and cryolite of eutectic content, in order to protect the tank lining work layer, prolong service life, therefore, this product is aluminum industry generally welcome.

3. Physical and Chemical Index of silicon nitride bonded silicon brick used in cooling stave  

ITEMINDEX
SiC %72 Min
Si3N4 %21 Min
Fe2O3 % 0.5 Max
Porosity %18 Max
Bulk density g/cm32.65-2.70
Bending strength MPaRoom temperature °C42
1400 °C45
CCS MPa150 Min
Thermal conductivity w/m·k 1250 °C15-18
Tolerance0-100 mm±1.0
101-300 mm±1.5
301-500 mm±2.0
More than 500 mm±0.5%
Surface irregularity0.2 Max
Face verticality0.5 Max
Diagonal difference2 Max

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Q:The project cost in hydropower No.3 shaft wall is solid brick or insulating brick?
From the structure principle, hydropower shaft with solid brick, is to consider the safety performance of the structure.
Q:What is the price of concrete self insulation bricks
Insulation brick prices also have a great relationship with the material and workmanship, such as clay brick price is much lower than high alumina brick, mullite and corundum brick prices will be higher.
Q:What are the types of building blocks?
Ordinary housing: building brick (clay brick), and non sintered brick (sand lime brick, fly ash brick, cement brick, etc.)
Q:Several kinds of energy-saving bricks
The insulation brick integrates the excellent heat preservation effect into the wall while building the wall. Low thermal conductivity, high strength, strong durability, simple construction, light weight, easy loading and unloading, economic, green, environmental protection, sound insulation, fire protection and so on.
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 is a JQK composite lightweight thermal insulation brick?
Its characteristic is waterproof and heat insulation, thermal insulation performance, strong decoration, waterproof effect is good, and good weathering resistance, long service life, the whole system of simple construction, low cost, is a new type of inverted waterproof and insulation structure of the current system state key application.
Q:Are there any construction waste materials for composite thermal insulation bricks?
Material production of ordinary light insulating brick clay, high alumina high strength low iron bead brick, mullite, high aluminum light insulating refractory brick, diatomite insulating refractory brick.
Q:Energy saving bricks or bricks?
Energy saving brick may be cement slag, or cement, water residue, cement, coal ash, etc. overview
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 are the specifications of high strength diatomite insulating bricks?
Exterior wall insulation decorative board insulation performance is very good, and the processing method, anchor node and patent products cold bridge design reduces the energy loss, therefore, especially in the area of bad weather such as the northeast, northwest and other places, energy-saving insulation requirements are very high, the traditional thermal insulation construction has brought great difficulty to the construction.

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