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:does Kyrgyzstan have the refractory brick to build tunnel kiln, whose specifications are 390,235,11, 240,120,60.
Domestic standard brick has no brick in this specification. only can be customised. Otherwise only have 230 * 65 * 114.
Q:does 90m high reinforced concrete chimney need firebrick?
The chimney need firebricks or casting fire or acid resisitant concrete after casting, one aim is to resist high temperature, then is to resist acid corrosion. there is a variety of models of the refractory brick , you can refer to the installation quota.
Q:what is the ratio of refractory mortar and refractory bricks, such as how much refractory mortar is needed for a ton of refractory bricks?
Go to the refractory factory to buy some refractory clay that is of the same material as refractory bricks, generally boiler uses clay refractory mortar.
Q:What bricks are used for constructting refractory bricks tunnel kiln what is the material of each burning zone brick
Exterior wall uses red brick, preheating zone uses lightweight high aluminum bricks, burning zone uses mullite, cooling zone uses ordinary refractory bricks
Q:What is the meaning of special shaped refractory brick material n-2b?
In fact, there are many kinds of refractory bricks, titanium, high alumina refractory brick, after drying. The mineral composition of the clay brick is mainly kaolinite (Al2O3·2SiO2·2H2O) and 6% ~ 7% impurities (K, etc.). Clay refractory bricks are iron oxide sintered by 50% soft clay and 50% hard clay clinker ingredients according to a certain granularity requirements under the high temperature of 1300 ~ 1400 degrees), perlite
Q:What is the difference between the refractory bricks, hand-made bricks and the machine pressure bricks?
Withstanding voltage strength is not the same, the strength of the mechine-made is higher
Q:What kind of refractory brick is suitable for 1400 degrees shuttle kiln?
Corundum mullite
Q:What refractory mortar is better if masonrying 4 meters height and 114 mm width of refractory brick
The selection of refractory mud should keep the principle of homogeneous phase with refractory bricks, that is to maintain the same material, according to the suitable temperature, choose appropriate binding agent compensation measuring forging Yao tic surprised boxing super man (phosphate, sodium silicate, or other organic combination), composite high performance admixture, it can be combined better in high temperature.
Q:What should be paid attention when the refractory brick kiln furnace reaches a certain service life and will be removed?
Q:What is the role of refractory brick, whether is there any books to introduce refractory bricks
Just as its name implies it is a fire burning, making stove is very good

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