Silica brick for hot blast stove

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Qingdao
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Min Order Qty:
100 PCS
Supply Capability:
50000 PCS/month

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Product Description:

Specifications

1.High refractoriness under load. 
2.High heat conductivity. 
3.Good thermal shock resistance. 
4.Solidity stable of capacity

 

 Typical Features:

 

1.High refractoriness under load.
2.High heat conductivity.
3.Good thermal shock resistance.
4.Solidity stable of capacity

 

Applications:

 

1.Silica brick is the main refractory bricks used in glass melting furnace;It has high refractoriness

2.Silica brick for glass melting furnace is used in building checker chamber, chute, combustion chamber,coking 3.chamber,and furnace arch etc.
4.Silica bricks and fireclay bricks are all acid-resistant bricks.They can be used for glass furnace and other acid   

   industrial furnace.

 

Specification:

 

 

    Item /Specification

High quality silica brick

SiO2 % ≥

94

Fe2O3% ≤

1.0

Meltability Index% ≤

1.0

True Density g/cm3 

2.36

Refractoriness°C≥

1730

 refractoriness under load ≥°C

1650

Apparent Porosity%≤

25

Cold crushing strength ≥Mpa

25

Reheating Linear Change1450°C×.2h ≤%

+0.2

Packaging & Delivery

Packaging Detail:in plastic sheets and then in wooden pallets
Delivery Detail:about 30 days or as your requirement

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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:What is the silica refractory products?
Refractory brick with silica content greater than 90%.
Q:The United States of our brick anti-dumping duties?
. According to the relevant legal procedures, the United States International Trade Commission will make a final ruling on the anti dumping industrial injury before January 6, 2014, if an affirmative determination, the U.S. Department of Commerce will be involved in product release tax anti-dumping order.
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.
Q:Semisilica brick, clay brick, high alumina brick and what is the difference?
The share of A12O3 and SiO2 is different
Q:High temperature refractory material?
Special materials often use AZS brick (i.e. corundum brick), corundum brick, magnesia chrome bricks, silicon carbide, silicon nitride bonded silicon carbide, nitrides, silicides, sulfide, boride, carbide and other non oxide refractory materials; calcium oxide, chromium oxide, alumina, Magnesium Oxide, beryllium and other refractory materials. Insulation refractories are often used diatomite products, asbestos products, insulation board. Unshaped refractories are often used refractory castable, refractory clay, refractory ramming material, refractory plastic and fettling material, fire resistance, gunning, refractory cast material, fireproof coating, lightweight refractory castable, gun mud.
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
Small fluctuations in the chemical composition do not have a significant effect on use. The key is the operation of the electrolyzer in production to determine whether the side wall will be damaged.
Q:Glass kiln brick for physical and chemical indicators?
Glass kiln with high quality silica brick products according to the standard JC/T615-1996, the single brick is divided into 3 grades: XBG-96, ZBG-96, DBG-96.
Q:The formula in the refractory brick, and firing curve, who knows?
Add 1.8-2.2% of the total weight of the main raw material, and then add lime milk, rolling for 10-15 minutes, and finally add pulp, rolling for 10-15 minutes, out of the mill, forming billet.
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.

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