Cordierite-mullite Refractory Brick

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Specifications

Cordierite-mullite brick
1. low thermal expansion coefficient,
2. excellent stability of thermal shocking

Alumina-Silica Refractory Series Products

Cordierite-mullite brick is of low thermal expansion coefficient, excellent stability of thermal shocking, it is used in assembly brick for hot blast stove.
Sintered mullite brick mineral component is mullite phase. It has the advantage of high temperature structural strength, strong resistance to chemical corrosion. It is used in the lining of high temperature kiln.
Silimanite bricks possesses the better refractoriness temperature under load and the good stability of thermal shocking. It is mainly used in the blast furnace, wind pipe of the blast heating cupola, the lime kiln, the discharging channel and cover board of the glass melting kiln.

Physical and chemical index :

Sillimanite Bricks
Cordierite brick
Corundum-Mullite Brick
Cordierite-Mullite Brick
M-68
M-72
GCS
JQS
AM-75
AM-80
JM
Al2O3 %
≥68
72
≥55
55±5
≥75
≥80
≥50
Fe2O3 %
≤1.5
≤1.5
≤1.5
≤1.5
≤2
MgO %
2.0
1.73~3
SiO2 %
≤45
Apparent Porosity %
≤21
≤19
≤17
≤25
≤17
≤17
≤23
Bulk Density g/cm3
≥2.45
≥2.50
≥2.45
≥2.30
≥2.55
≥2.60
≥2.30
Cold Crushing
Strength Mpa
≥50
≥60
≥55
≥40
≥70
≥70
≥70
Modulus of
Rupture Mpa
≥15
≥15
0.2Mpa Refractoriness
Under Load T
0.6
≥1580
≥1600
≥1550
(T
2)
≥1400
≥1680
≥1700
Reheat liner change 2h
1450°C
±0.2
Thermal
Shock Resistances
100°C water cycles
≥15
≥100
20-1000°C
Thermal Expansich
10
-6/°C
4.5-4.9

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Q:What are the sizes of lightweight thermal insulation bricks?
The production of material ordinary lightweight insulating refractory brick with fireclay and high alumina high strength bead brick
Q:What is the price of concrete self insulation bricks
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 the difference between the production line of foamed cement insulation bricks and the self thermal insulation block production line?
I still feel that the special is better, specializing in the production of a product, at least quality and after-sale protection!
Q:If there is a main component of cenosphere light insulating brick.
Light heat insulation brick with cenosphere composition, material properties will be more high, especially the main properties of thermal conductivity
Q:Advantages and disadvantages of wall insulation system?
Disadvantages: poor insulation effect (because it is not a full coverage of the insulation layer), there will be condensed water (because the wall is cold, the heat insulation layer is the temperature difference between inside and outside the formation of condensed water), the decoration (insulation layer in the internal decoration of the time on the wall decoration will destroy the insulation layer, comprising an area of effect) (rules of the construction area).
Q:What are the insulation materials for heating buried pipelines?
The heat preservation layer is composed of antirust paint, heat insulating material, moisture-proof layer (used for pipeline in the trench), protective layer, anticorrosive layer (used for trench or directly buried pipe) and top coat (or fireproof coating).The waterproof layer can be used asphalt or aluminum foil protective layer with glass cloth or galvanized steel.
Q:Does the building with the exterior wall thermal insulation brick require adding an angle steel bracket in the middle of the brick?
The first thing the man has to do is to do the quality test in front of the wall. As for the second, there is not much to do.
Q:Refractory bricks, burner bricks, insulation bricks? Is it a kind of thing?
Not the same thing, refractory bricks and insulation bricks of raw materials, the proportion is not the same. This is the chain of various types of products
Q:What is the function of insulating bricks? Where can I use it?
Thermal insulation bricks are mainly used in toilets, kitchens, TV sets, bedrooms, walls and so on. And brightly colored, various specifications, can be cut at random, the section neatly.
Q:Is sintering insulation brick good or concrete porous brick good?
As with the expansion screw, it depends on what to connect, and go in is no problem, the key is that the carrying capacity is not very high, if you do steel support, pull and so on, it is recommended to use concrete.

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