Glass Furnace High quality Refractory Brick Silica Brick

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100 kg
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2000000 kg/month

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Product Description:

Glass furnace Silica 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 

 Glass Furnace High quality Refractory Brick Silica Brick

Produce Processing 

Glass Furnace High quality Refractory Brick Silica Brick

 Glass Furnace High quality Refractory Brick Silica Brick

 

 

 




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Q:Can iron oxide be used as refractory material?
Iron oxide can not be used as refractory material, but it can be used as refractory additive. Iron oxide can be used as pigment
Q:Semisilica brick, clay brick, high alumina brick and what is the difference?
The share of A12O3 and SiO2 is different
Q:Brick
An acid refractory consisting mainly of quartz and square quartz and a small amount of residual quartz and glass.More than 94% silica content. True density 2.35g/cm3. With acid resistance, slag erosion performance. 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 quartz in the body. 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.
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: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.
Q:The high thermal conductivity of silica brick and traditional brick what is the difference?
The scale quartz is a spear shaped double crystal structure, very compact and favorable to the increase of thermal conductivity. The high thermal conductivity of silica brick in improving thermal conductivity and other performance indicators and traditional coke silicabrick agreement.That is to say, the high thermal conductivity of silica brick all inherited the traditional advantages of coke oven silica brick, on the basis of further highlight the characteristics of high thermal conductivity
Q:Which material is good for furnace refractory?
Acid refractory with silicon oxide as the main component, are commonly used in brick and clay brick. Silica is silica containing more than 94% silica products, raw materials used in silica, silica and other waste, the acid resistance of slag erosion ability, high load softening temperature, volume shrinkage after repeated burning, or even a slight expansion; but it is vulnerable to the erosion of basic slag, thermal shock resistance is poor. The brick is mainly used for thermal equipment of glass furnace, coke oven, acid furnace etc.. Clay brick with refractory clay as the main raw material, containing 30% to 46% of alumina, weak acid refractory material, heat shock resistance, resistance to acid slag, widely used.
Q:The specific content is what gb/t2608-2012 brick
Quality assessment procedures, packaging, marking, transport, storage, and quality certificates. Suitable for siliceous refractory bricks.
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: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

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