Refractory Silica Brick High Quality

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China main port
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
10000000 m.t./month

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Product Description:

Quick Details

Place of Origin:

Shandong, China (Mainland)

Shape:

Brick

Material:

silica

SiO2 Content (%):

94%-96%

Refractoriness (Degree):

Common (1580°< Refractoriness< 1770°)

Brand Name:

ZYC

Packaging & Delivery

Packaging Details:On wooden pallets with plastic films cover
Delivery Detail:According to customers' requirements

Specifications

1. SiO2 :93%-96%. 
2. Can according to customers' requirements. 
3. Used for various industrial High temperature kilns.

Silica brick,Refractory silica brick,Silicon brick

Characteristics:

1. High refractoriness.
2. Have a good fight acid slag erosion ability.
3. High volume stability.

General silica brick: Siliceous refractory products used for various large coke oven, glass kiln stove, hot air stove, etc.

Item

GZ-96

GZ-95

GZ-94

SiO2   % ≥

96

95

94

Fe2O3  % ≤

1.0

1.2

1.4

Refractoriness °C ≥

1710

1710

1690

Apparent porosity % ≤

22

22

24

Cold crushing strength  Mpa  ≥

29.4

24.5

19.6

Refractoriness under load, 0.2MPa, °C ≥

1660

1650

1640

True density  g/cm3 ≤

2.34

2.35

2.35

Silica brick for Hot-blast stove

Item

Dome wall brick

Checker

SiO2   % ≥

95

95

Cold crushing strength  Mpa  ≥

35

30

Apparent porosity % ≤

22

23

Creep rate(0.2MPa,1550°C,50h)% ≤

0.8

0.8

True density  g/cm3 ≤

2.35

2.35

Thermal expansion(1000 °C)% ≤

1.26

1.26

Silica brick for Glass kiln

Item

BG-96A

BG-96B

BG-95A

BG-95B

SiO2   % ≥

96

96

95

95

Fe2O3  % ≤

0.8

1.0

1.2

1.2

Apparent porosity % ≤

22

22

22

22

Refractoriness under load, 0.2MPa, °C ≥

1680

1670

1660

1650

True density  g/cm3 ≤

2.34

2.34

2.35

2.35

Cold crushing strength  Mpa  ≥

30

30

30

30

Silica brick for coke oven

Item

Furnace bottom,Furnace wall

Other

SiO2   % ≥

94

94

Cold crushing strength  Mpa  ≥

30

25

Apparent porosity % ≤

22.

24

Refractoriness under load, 0.2MPa, °C≥

1650(Cementation silica 1620)

1650(Cementation silica 1620)

Permanent linear Change  1450 °C,2h ≤

0—+0.2

0—+0.2

True density  g/cm3 ≤

2.34

2.35

Thermal expansion(1000 °C)% ≤

1.28

1.30

Application:

Silica brick is mainly used for Coke oven, glass kiln, hot-blast stove, tunnel kiln,Acidic furnace non-ferrous metal smelting and some other thermotechnical equipment in good furnace building materials.

Refractory Silica Brick  High Quality

Refractory Silica Brick  High Quality

Refractory Silica Brick  High Quality

Refractory Silica Brick  High Quality

Refractory Silica Brick  High Quality

Refractory Silica Brick  High Quality

Refractory Silica Brick  High Quality

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Q:What role does silica play in refractories?
The production of clay brick refractory clay raw material is natural, its main mineral is kaolinite (formula Al2O3 - 2SiO2 - 2H2O), clay brick containing SiO2 in 45% ~ 65%, belongs to the weak acid refractory materials, have a certain ability to resist acid slag, but easy to be alkaline slag erosion.
Q:Brick
The silica mineral phase is mainly composed of tridymite and cristobalite, there is a small amount of quartz and glass. Tridymite and cristobalite and quartz remaining at low temperature due to phase change, volume changes greatly, so the brick thermal stability at low temperature is very poor. In use, under 800 degrees Celsius, slowly heating and cooling, so as not to produce cracks. The use of temperature in blast furnace so should not be below 800 DEG on.
Q:Which material is good for furnace refractory?
Basic refractories in Magnesium Oxide and calcium oxide as the main ingredient, commonly used is brick. Magnesium Oxide 80% to more than 85% containing magnesia brick, has good resistance to alkaline slag and slag, refractory clay brick and brick high ratio. Mainly used in open hearth furnace, oxygen converter, electric furnace, non-ferrous metal smelting equipment and high temperature equipment.
Q:Common bond brick
Manufacturing for silica brick binder hi-li sulfate pulp waste liquid and lime milk. When lime milk is used as a bond, it acts as a plasticizer. To increase the strength of lime brick in the drying process, as mineralizer in the firing, promote the transformation of quartz.
Q:Such purpose and scope please give me detailed points thank you
Mainly used for coke oven carbonization chamber and the combustion chamber wall, open hearth furnace regenerator and a sediment chamber, soaking furnace, glass furnace, refractory materials and ceramic brick kiln, kiln vault and other load-bearing parts. Also used for high temperature bearing part of hot blast stove and acid open hearth furnace.
Q:Why will expand when heated brick
After high temperature after the formation of tridymite and cristobalite and quartz and a small amount of residual glass phase, quartz heating to 220-240 DEG C, in a certain degree of thermal expansion, brick maximum expansion occurs in 100~300 DEG C, 300 expansion before the total amount of expansion is about 70%~75%.
Q:Why is the highest brick coke oven temperature measuring point temperature not exceeding 1450
Brick belongs to refractory materials, with strong resistance to acid slag or acid solution erosion ability, high load softening temperature are excellent properties of silica brick, usually 1640-1680 C.
Q:High temperature refractory material?
Basic refractories in Magnesium Oxide and calcium oxide as the main component, the main products are magnesia brick, magnesia chrome brick, magnesia zirconia brick, magnesia brick, magnesia spinel brick, magnesia calcium brick, dolomite brick and the latest development of magnesia spinel brick and so on. With Magnesium Oxide (MgO) more than 80% of the refractory brick called magnesia brick,
Q:The production of brick, the ingredients of why join the waste brick?
The production of silicon material is added to the cause of waste brick:Preparation of silica brick pug, a certain amount of waste silica brick used to add ingredients, for the purpose of expansion and stress reduction products during firing
Q:Semisilica brick, clay brick, high alumina brick and what is the difference?
This is a kind of refractory material is divided into three types: semisilica brick (A12O315 ~ 30%), clay brick (A12O330 ~ 48%), high aluminum brick (A12O3>48%).

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