Factory Suppier Standard Silicon Brick Silica Fire Block

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China main port
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TT OR LC
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100 kg
Supply Capability:
2000000 kg/month

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Product Description:

High Quality Silicon Carbide Fines Silica Refractory Brick

 

CMAX Silica bricks are made from high quality quartz tail sand, lime and mineralizing agent through the process of crashing, screening,mixing, pressing, drying and sintering. zircon brick is characterized by good thermal stability and resistance to corrosion and erosion of glass liquid. They are used for high temperature equipment in the glass furnace, molten steel ladle and continual casting water month.

Silica bricks for hot stoves feature sharp dimension,low expansion,little residual quartz, low true density.low creep rate,good thermal shock resistance upon 600°C and high refractoriness under load, It mainly used at high temperature area include arch and upside of hot stove and upside of checker.What’s more, we are main supplier of Morgan . 

 

Product Applications:

Silica Brick are ideal for use in the below applications 

Furnaces of metallurgy industry, heat treatment furnace
Furnaces of chemical industry and construction industry.
Furnace of incineration of garbage, recirculating fluidized bed furnace
Standard sizing: 230 x 114 x 65 mm others up to the clientKiln car building                      

For ladle  

 

Product Advantages:

With dense and smooth appearance, uniform corner and edge, pure color and luster and accurate size.

Silicon oxide is above 95%. 

Good acid erosion resistance. 

High softening point with temperature. 

No shrink in burn repeatedly. 

Temperature of refractoriness under load is above 1650º C 

Stable Capability, High Quality, Excellent Service, Competitive price is the most important advantage of our products.

 

Main Product Features:

Low bulk density, low thermal conductivity, good thermal insulation performance.

Refractory category allow direct contact of fire, suitable ofr various atmosphere

Good integrity with furnace lining, long service life, easy operation, could be shaped freely

Product specification: standard form, normal standard, shaped and special shaped bricks.

Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the most widely used. 

 

Product Specifications:

 

ITEM

For Hot-Blast Stoves

For Glass Furnace

S-94

S-95A

S-95B

G-94

G-95A

G95-B

G-96A

G-96B

SiO2, %

≥94

≥95

≥95

≥94

≥95

≥95

≥96

≥96

Fe2O3, %

≤1.5

≤0.5

≤1

≤1.5

≤1.2

≤1.2

≤0.8

≤1

Residual Quartz, %

≤1

≤1

≤1

≤1





Apparent Porosity

≤23

≤23(24)

≤21(23)

≤24

≤22(24)

≤22(24)

≤22(24)

≤22(24)

True Density, g/cm3

≤2.35


≤2.34

≤2.33

≤2.35

≤2.35

≤2.34

≤2.34

Cold Crushing Strength, Mpa

≥29.4

≥30(27)

≥30(20)

≥30

≥30(35)

≥30(35)

≥30(35)

≥30(35)

Refractoriness Under Load, ℃


≥1650

≥1600

≥1630

≥1660

≥1650

≥1680

≥1670

Permanent Linear Change, %



1500℃X4h, ±0.2

1450℃X2h, ±0.5





 

FAQ:

Q1: Are you a manufacture or trader?

A: Factory+trade (mainly for manufacturing, also do some business of related products).

Q2: What's the MOQ of trial order?

A: No limit,We can offer the best suggestions and solutions according to your requirements.

Q3: After an order is confirmed,when to deliver?

A: According to your order quantity, normally, 15-25 days after deposit received.

Q4: Is your company accept customization?

A: We have our own factories and excellent technical team, and we accept OEM service.

Q5: What certificates do you have?

A: ISO9001 and Test Report, also we can do other necessary certification according to your requirements.

Q6: Can you offer samples?

A: Of course,samples are total free! Freight should be paid by buyers.

 

Product Picture 

 Factory Suppier Standard Silicon Brick Silica Fire Block

Produce Processing 

Factory Suppier Standard Silicon Brick Silica Fire Block

 Factory Suppier Standard Silicon Brick Silica Fire Block

 

 

 




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Q:What is the silica refractory products?
High silicon content in high temperature expansion sintering temperature between 1390-1410 in furnace arch
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:The hot blast stove when the temperature did not rise against the brick interface decreased
Insulation of hot blast stove, key insulation silica brick hot stove, hot blast stove is shutdown or need repairing in blast furnace.
Q:Common bond brick
When adding ingredients, the amount of lime added shall be converted to CaO, and the amount of addition varies depending on the product, usually fluctuating at 1.5~2.5%. For example, the production of coke oven silica brick, the dosage of CaO is 2.0~3.0%; the production of electric furnace top brick, the dosage of CaO is 1.4~1.75%.
Q:The formula in the refractory brick, and firing curve, who knows?
Iron scale powder 0.45-0.55%, cement 0.9-1.1%, lime milk 6.5-7.5%, pulp 1.95-2.2%, the silica powder, perlite will be added to the wet mill in proportion, and then add iron scale powder, cement, dry roller 1-2 minutes later
Q:What is acid refractory?
Refractory materials are mainly quartz glass products, combined with fused quartz products, silica brick and unshaped refractories. Semi siliceous refractory materials are generally attributed to this category. As for fireclay refractories, they are also classified as semi acidic or weakly acidic refractories. Also, zircon refractory and silicon carbide refractory for special acidic refractory materials are also classified into this category.
Q:Why is the new trend of the high thermal conductivity of silica brick
The use of high thermal conductivity of silica brick, reducing coke fuel consumption, reduce emissions of pollutants such as NOx, with considerable economic benefits and social benefits, is the future direction of the new technology of using coke oven refractory.
Q:The production of brick, the ingredients of why join the waste brick
The amount of addition is related to the shape and weight of the brick. The bricks can be added to 20% weight less than 25kg; bricks above 25kg can be added to 30%; for the specific type of brick can be added 30%. into waste silica brick should pay attention to this problem
Q:Why will expand when heated brick
In the process of SiO2 drying, the four crystalline transformation points of 117, 163, 180~270 and 573 DEG C are found, among which the volume expansion caused by the 180~270 is the largest.
Q:What is the main material of silica brick
Higher high temperature strength. The softening start temperature is 1620~1670 degrees. Long term use at high temperature without deformation. The thermal shock resistance is low (the heat exchange in water is 1~4 times). The natural silica is used as the raw material, and a proper amount of mineralizer is used to promote the transformation of quartz into phosphorus and quartz. Slowly sintered at 1350~1430 DEG C in the reducing atmosphere. When heating up to 1450 degrees, the total volume of 1.5~2.2% expands, and the residual expansion can close the kerf and ensure the airtight and structural strength of the masonry.

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