Low Porosity Brick

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Product Description:

Specifications

low iron and low porosity and high density

material

HA65

FC40

FC35

FC30

ap%

≤17

≤15

≤15

≤15

bd g/cm3

≥2.6

≥2.25

≥2.2

≥2.15

ccs  Mpa

≥60

≥45

≥40

≥30

rul  °C

≥1520

≥1400

≥1350

≥1300

AL2O3 %

≥65

≥40

≥35

≥30

Fe2O3   %

≤1.7

≤1.7

≤1.7

≤1.7

SiO2    %

≤31

≤56

≤61

≤66

Item

Index

volume density g/cm3

≤1.2

service temperature/ C°

1350

thermal conductivity 1200°C/ w/m.k

≤0.5

(1400°C×12h)

Heating permanent line changes/ %

-0.8~0

compressive strength under high temperature/ MPa 1200°C

≥2.8

compressive strength under normal temperature/ MPa

≥5

(0.01MPa×0.5%)°C

≥1450

Item

Index

volume density g/cm3

≤1.60

service temperature/ C°

1400

thermal conductivity 1250°C/ w/m.k

≤0.61

(1400°C×12h)

Heating permanent line changes/ %

0~-0.5

compressive strength under high temperature/ MPa 1250°C

≥6

compressive strength under normal temperature/ MPa

≥12.0

Item

Index

volume density g/cm3

≤1.90

service temperature/ C°

1400

thermal conductivity 1250°C/ w/m.k

≤0.80

(1400°C×12h)

Heating permanent line changes/ %

-0.5~0

compressive strength under high temperature/ MPa 1250°C

≥12

compressive strength under normal temperature/ MPa

≥30

Refractoriness under load(0.01MPa×0.5%)°C

≥1450


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Q:What are the application of used refractory brick pieces?
auxiliary material made of refractory bricks or refractory is not as good as that of bauxite.
Q:What kind of refractory brick is suitable for 1400 degrees shuttle kiln?
Corundum mullite is also the principle about.2 can be. use high aluminum brick, which heat storage capacity is big, but the price is more expensive, and the chilling and heating performance is not good, the .
Q:What is the refractory temperature of refractory bricks?
First look at the used parts of refractory brick, anti stripping performance, these are the most basic performance factors, the refractory temperature of high alumina brick is 1770 -1790 degree, the refractory temperature of clay brick is 1380-1570 DEG C, record the anti acid corrosion data of refractory bricks, the compressive strength of refractory bricks, at the same time, you should analyze each part of the furnace pH index and sintering temperature of working. When purchasing refractory bricks, you need to pay attention to many factors, high temperature creep property, softening temperature under a fixed load, 6548, volume stability at high temperature. Because the production of the product is affected by the weather and fuel energy, etc.. 186, select the suitable refractory bricks
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.
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:What are the differences between diatomite brick and ordinary refractory bricks?
The volume density of diatomite brick is 3.9 * 10-6, good compressive strength, belongs to the small outer insulation, spinel brick.
Q:refractory bricks of fireclay
According to the preparation process, it can be divided into bricks, high alumina brick, magnesia brickand so on, such as refractory clay brick, and ordinary brick; according to the shape and size, it can be divided into standard brick and silica brick, it can withstand all kinds of physical and chemical changes and mechanical action at high temperature; silica brick can be used as high-temperature building materials and structural material to build kiln and kinds of thermal equipments. Refractory material and fused brick with a certain shape and size are called refractory brick for short.
Q:What is the price of the latest thermal insulation material?
There are many kinds of insulation materials, and the price will fluctuate with the market. Small quantities of inquiry or procurement, then go directly to the local thermal insulation market, a wide variety of prices are basically the market price.
Q:How to built refractory bricks as fitting between square and circle ducts
Build a big mushroom, and build the legs as square
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

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