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:which kind of refractory bricks do coke oven and oxtongue brick belong to ( ) A, silica brick B, clay brick C, high alumina brick
Beef tongue is to regulate the flow of gas, gas flow is not the same, so is the temperature, so choose the temperature resistance brick which is clay brick only.
Q:Can mud and salt be used as refractory materials
Clay can be used as a refractory material, but salt can certainly not be used.
Q:How much refractory material is required for 1 million tons of coke oven
This depends on the number of specific cubic, different factory designs different boiler, we need volume to caculate.
Q:What raw materials can be added to fireclay brick to respond to the urgent cold and urgent heat?
The higher the impurities, there is no need to add some expensive performance-improving raw materials. But you can mainly choose high purity raw materials to proporly increase the performance of the clay brick, such as thermal shock. You can change relatively high-grade refractory brick. It depends on your conditions of usage if the requirement is strict. The thermal shock resistance of clay brick itself is not bad, and will almost all be affected, because the clay brick is very cheap, inside the glass phase more. Creep.
Q:Is the quality of refractory brick influenced if it is soaked by water
No refractory brick is not afraid of water
Q:What is the density of the high alumina refractory brick?
it depends on the aluminum content, the higher it contains, the larger the density is. the hjghest is 3, the lowest is 2.
Q:Do refractory bricks resist corrosion and sulfur?
The refractory brick just plays the role of resisting high temperature and insulating heat.
Q:Whether yellow dextrin is used in refractory bricks?
use professional mortar, do not use yellow dextrin
Q:How many squares of a ton refractory bricks?
About 2 tons , general one square clay brick is about 2 tons, from 2, one square corundum brick or magnesia bricks can reach 3 tons, it should say one square is how many tons. if it is high aluminum, then see the content of aluminum. It mainly sees what refractory bricks, because the volume and density of refractory bricks are relatively large.2 tons to 2
Q:Do refractory bricks insulate heat?
It can not be generalized, generally, the insulation performance of clay is not good, but the hollow is good, such as light mullite bricks have good insulation. it depends on what kind of refractory brick

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