• Refractory Fireclay Brick- (UNF42) High Strength System 1
Refractory Fireclay Brick- (UNF42) High Strength

Refractory Fireclay Brick- (UNF42) High Strength

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
50000 m.t./month

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CLAY BRICK---UNF42

CMAX fireclay bricks are made from clinker clay. The alumina content ranges from 36% to 48%.

Application
CMAX fireclay bricks are commonly applied in blast furnace, hot blast furnace, teeming ladle, glass furnace, etc.

Features
Low thermal conductivity High refractoriness
High mechanical strength Excellent thermal shock resistance

High refractoriness under load
High mechanical strength
Excellent thermal shock resistance
Corrosion resistance.

Good resistance against acid slag
High mechanical strength
Stable performance under high temperature environment


Physical Properties:

ITEM UNF42
Refractoriness, 1730
Bulk Density, g/cm3 2.15
Apparent Porosity, % 22
C. C. S, Mpa 30
Refractories Under Load (0.2Mpa), 1400
Reheating Linear Change, % 1400x2h 0.1~-0.4
Al2O3 Content, % 42

Q:What is the difference between clay brick, glazed tile and brick?
Clay brick, clay is firing at low temperature, glazed tile is a plain brick and glaze firing head and then fired at high temperatures, the brick is completely pressed, no firing process, three higher than the price of glazed brick, the brick is higher than that of clay brick.
Q:The matching ratio of masonrying refractory bricks cement
Size of brickwork joint: Vertical and horizontal seam are 2 ~ 3 mm. The ratio of seam mud: Refractory clay mud 100%; per m3 dry, clean industrial water 400 ~ 600t&#47, no more than 3mm
Q:what effect does big mortar joints of the boiler refractory brick have on the boiler?
The ventilation leakage。 Now the larger boilers are generally used refractory pouring material one-time pouring, the arch is easy to collapse . 2, shrinkage and expansion of brick will make the bricks fall. 1, do not use the refractory brick. too large seam will effect the tightness of furnace wall , and the water wall is easy to form dew and be corroded and to leak smoke.
Q:What is the name of the white clay refractory brick
Kaolin
Q:what kind of refractory brick is suitable for 1300 degrees converter?
High alumina bricks of above 3 grade, containing more than 60% aluminum
Q:Why do some people say that clay brick insulation effect is good, and some people say that bad, in the end what is right?
The heat preservation effect should be taken away from the heat insulation capacity of the material. The ordinary clay brick has small heat capacity and slow heat conduction, so it is more thermal insulation.
Q:Are sintered brick concrete bricks?
Sintered brick: brick made of clay, shale, coal gangue or fly ash, made by molding and roasting at high temperature. Bricks used for masonry, load-bearing and non load bearing walls are collectively called sintered bricks.According to the raw materials, they are divided into sintered clay brick, sintered fly ash brick, sintered coal brick and so on.A sintered brick with a solid or void ratio of less than 25% is called a sintered ordinary brick.The production and use of ordinary clay brick has been in China for more than 3000 years. Nowadays, ordinary clay bricks still dominate the wall materials used in construction projects. Although the ordinary clay brick has many disadvantages, due to its low cost, simple process, design and construction technology is mature and people's inertia and other reasons, the ordinary clay brick for quite a long period of time, especially in rural areas, is still one of the main wall materials.
Q:How to prevent the refractory bricks from burning to crack?
This may result from formula. Prevent the refractory bricks from being overweight. Firstly, sintering agent should not exceed the standard, when sintering, bricks must be well piled to piled bricks, and the bricks must be dry.
Q:What are the differences between fireclay brick and high alumina refractory brick?
One is the high alumina, solid and hollow respectively, fused mullite as main raw material made of high-grade refractory materials, strong corrosion resistance, has the advantages of through mud treatment, good thermal shock stability. Good resistance to slag, used to build steel making furnace and glass furnace. High alumina brick is a kind of refractory material. Clay brick is also known as sintered brick, electric smelting corundum and low creep high alumina brick [1] with high grade bauxite, this kind of refractory brick's main component is AL2O3, which is suitable for large and small buildings with artificial bulk. High thermal stability. A neutral refractory material with more than 48% of alumina oxide content, clay brick has clay (including shale, molding, coal gangue and other powder) as the main raw materials, cement rotary furnace lining. The product has a small high-temperature creep, one is clay. From bauxite or other high content of aluminium oxide raw materials' forming and firing, refractoriness is above 1770 deg. High R.U.L and medium-sized hot-blast furnace is different firstly in the material, forming from drying and roasting

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