High Quality Silicon Carbide Fines Silica Refractory Brick

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100 kg
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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 

 High Quality Silicon Carbide Fines Silica Refractory Brick

Produce Processing 

High Quality Silicon Carbide Fines Silica Refractory Brick

 High Quality Silicon Carbide Fines Silica Refractory Brick

 

 

 




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Q:What is the silica refractory products?
Refractory brick with silica content greater than 90%.
Q:What are the main constituents of refractory bricks?
Refractory brick composition is mainly composed of a variety of aggregate or aggregate and one or more kinds of sticky agent composed of mixed powder particles, when used, must be mixed with one or more liquids, mixing evenly, with strong liquidity. Different refractory bricks are different, such as silicon, aluminum, clay and so on:
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:What are the materials for refractory materials? What are their names?
The main raw material is the main body of refractory. Auxiliary raw materials can be divided into binders and additives. The role of bonding agent is to make the refractory body in the production and use process has enough strength. There are commonly used lignin, phenolic resin, asphalt, cement, water glass, phosphoric acid and phosphate, sulfate, some main raw material itself has the effect of binder, such as clay; additive is to improve the production of refractory materials and construction technology, or strengthen the refractory material of some properties, such as stabilizer, water reducing agent, inhibitor, plasticizer, foaming agent, dispersing agent, bulking agent, antioxidant.
Q:The brick is mainly used in the place?
Partitions used in coking and combustion chambers for coke ovens
Q:The chemical composition of silica brick and its physicochemical index?
Brick refers to the refractory products in more than 93% of the content of SiO2
Q:Can not use it two brick
Acidic silica brick refractory material, has good ability in acid slag erosion
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:What is the effect of the content of silicon nitride in silicon nitride bonded silicon carbide brick on the use of electrobath? Thank you
The main damage of silicon carbide side wall brick is stress damage, not chemical erosion. Chemical damage is formed prior to the formation of the groove, and the damage to the chemical erosion is little after the formation of the groove.
Q:Such purpose and scope please give me detailed points thank you because I am learning stage
Acidic silica brick refractory material, has good acid resistance and slag erosion, softening temperature is as high as 1640 to 1670 DEG C, in the long-term use volume is relatively stable under high temperature. 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. The properties and process of silica crystal with SiO2 transformation is closely related, therefore, the proportion of it is one of the important quality indexes of silica brick. General requirements below 2.38, high quality silica brick should be less than 2.35. The true density is small, reflecting a large number of scale quartz and square quartz in the brick, the residual quartz is small, so the residual line expansion is small, and the strength is decreased in useThe raw materials for the manufacture of silica brick. The higher the SiO2 content of silica raw material, the higher the refractoriness. The most harmful impurities are Al2O3, K2O, Na2O and so on. They seriously reduce the refractoriness of refractory products. Brick with SiO2 content of not less than 96% of silica as raw materials, adding mineralizer (e.g. millscale, lime) and binder (such as molasses, sulfite pulp waste liquid), after mixing, molding, drying, sintering and other processes in the system.

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