Silica Brick Silica Carbide Refractory Nozzle & Silica Carbide Brick
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 10000000 m.t./month
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Refractory well block
Item | WB-1 | WB-2 | WB-3 |
Al2O3(%)Min | 55 | 65 | 70 |
C+SiC(%)min | / | 6 | / |
Refractoriness (°C) Min | 1710 | 1790 | 1770 |
Apparent porosity(%)max | 20 | 16 | 15 |
B.D(g/cm³)Min | 2.6 | 2.7 | 2.65 |
Cold crushing strength (Mpa) Min | 30 | 30 | 40 |
Zirconia Refractory nozzle
1.Advantage:high refractoriness, good thermal shock resistance, erosion resistance and
scouring resistance, small hole diameter change, long service life, etc.
2.Usage:
Sizing nozzle is mainly used for continuous casting tundish samll square billet,big square billet,
rectangle billet,small slab casting steel.
3.Related prodcuts:
Zirconia bearing plate,Continuous casting aluminum carbon, aluminum zirconium carbon nozzle,
chock plug,Alumina magnesia, zirconium carbon slide gate,Quick change nozzle,Mosaic nozzle,
Monoblock stopper,long nozzle,submersed nozzle,pocket block,etc.
4.Product data:
zirconium core:
Item | ZN- 65 | ZN- 70 | ZN- 75 | ZN- 80 | ZN- 85 | ZN- 90 | ZN- 93A | ZN- 93B | ZN- 93C | ZN- 93D | ZN- 95A | ZN- 95B | ZN- 96 |
ZrO2(%) | ≥65 | ≥70 | ≥75 | ≥80 | ≥85 | ≥90 | ≥93 | ≥93 | ≥93 | ≥93 | ≥95 | ≥95 | ≥96 |
Bulk density (g/cm3) | ≥3.8 | ≥3.8 | ≥3.9 | ≥4.0 | ≥4.1 | ≥4.3 | ≥5.1 | ≥4.9 | ≥4.7 | ≥4.4 | ≥4.6 | ≥5.2 | ≥5.2 |
Apparent Porosity(%) | ≤23 | ≤22 | ≤22 | ≤20 | ≤20 | ≤20 | ≤13 | ≤15 | ≤18 | ≤20 | ≤20 | ≤9 | ≤5.6 |
Thermal shock resistance (cycles)(1100℃,water cooling) | >5 | >5 | >5 | >5 | >5 | >5 | >5 | >5 | >5 | >5 | >5 | >8 | >10 |
FAQ
Q3: Can you offer Door-to-Door delivery?
A3: Yes, but only for some countries such us U.S., UAE, Saudi Arabia, Iran, and Russia, etc.
Q4: What is the minimum quantity?
A4: There is no minimum order quantity. Depending on the item and processing, there may be a minimum production required, however we can offer a quotation based only on the quantity you need.
- 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: How much is the highest melting point of silicon?
- . 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. The total volume of heating to 1450 DEG about 1.5~2.2% expansion, the residual expansion will make cutting seam sealing, ensure masonry tightness and good structure strength, so that the brick load softening temperature will reach 1750 degrees Celsius above 1620 degrees in the case of the highest melting point.
- 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: Which material is good for furnace refractory?
- Kiln types of refractories is very extensive, selection of refractory materials according to the type of furnace furnace temperature and use of selected refractory material, refractory material is divided into custom products of refractory bricks and unshaped refractory castable series products. According to chemistry, it is divided into acidic, neutral and alkaline materials.
- Q: What role does silica play in refractories?
- Low fractory refers to the alumina content between 10%~30%, SiO2 content is less than 85%, semisilica brick SiO2 = 65%,The SiO2 content of not less than 93%, refractory material to natural quartz rock as the main raw materials are called silica, silica brick, silica brick, quartz glass and special products. China's literature generally put this type of product is called "siliceous refractory products", which is the most important brick.
- Q: The United States of our brick anti-dumping duties?
- At present of our brick anti-dumping rate is 73.10%
- Q: How to judge the quality of brick, clay brick, high alumina brick furnace from the appearance?
- Mainly from the impurities to determine how much, generally less impurity single color brick.
- Q: Can iron oxide be used as refractory material?
- Is widely used in this area. Mentioned refractory material of high school textbooks generally refers to three two aluminum oxide (alumina), alumina is also used as a refractory material, refractory crucible, porcelain, artificial gemstones.
- 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: The difference between clay refractory bricks and refractory brick in the application.
- Brick bearing soft temperature and close to the melting point, high temperature strength, can be in high temperature (above 1400 degrees) under the condition of long-term use, but the anti alkali erosion ability, thermal shock stability is the worst, a scrap. The brick is generally used in the coke oven, glass kiln. Other industries basically do not use.
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Silica Brick Silica Carbide Refractory Nozzle & Silica Carbide Brick
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 10000000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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