| Customization: | Available |
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| Application: | Metallurgy |
| Material: | Silicon Carbide (SiC) |
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Silica brick is made of quartz stone material, the content of SiO2 is above 93%, it has good resistance to acid slag and good heat conductivity. And the refractoriness is 1690~1710°C,RUL is beyond 1620°C.
SiO2 has different types of crystals in different temperatures, and the transform between the crystals will cause the change of the bulk. So there is a close contact between the changes of SiO2 crystals and the produce, performance and usage of silica bricks. During the heating, there will be changes of the bulk, and cristobalite changes most, then quartz, phosphorus quartz is the slowest of all and it also has good heat conductivity. Coke oven should use the silica brick with small true density. And the phosphorus quartz is better than others.
Advantages of Silica Fire Brick:
1) Silicon oxide is above 95%.
2) Good acid erosion resistance.
3) High softening point with temperature.
4) No shrink in burn repeatedly.
5) Temperature of refractoriness under load is above 1650º C.
6) Stable Capability, High Quality, Excellent Service, Competitive price is the most important advantage of our products.
Rongsheng Refractory Silica Brick Technical Data
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Silica brick for coke oven |
Silica brick for glass kiln |
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Furnace bed
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others
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BG-96A
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BG-96B
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BG-95A
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BG-95B
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SiO2% ≥
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94
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96
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96
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95
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95
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Fe2O3 %≥
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/
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0.8
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1.0
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1.2
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1.2
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0.2MPa RUL°C ≥
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1650
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1680
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1670
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1660
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1650
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FUSION INDES:
one BRICK<20kg one BRICK ≥20kg |
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/
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0.5
0.6
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/
/
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0.7
0.7
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/
/
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True density g/cm3 ≤
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2.34 2.35
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2.34
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PLC % 1450°C×2h
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+0.2 0
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/
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||||
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AP % ≤
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22(23)
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24
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22(24)
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Thermal expansion
1000°C % ≤ |
1.28
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1.30
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/
|
|||
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CCS MPa ≥
one brick<20kg one brick≥20kg |
30
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25
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35(30)
30(25)
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|||
Refractory silica brick mainly used in the construction of regenerative chamber, chute, combustion chamber, coking chamber, furnace roof etc. parts of the coke ovens. Silica Brick For Glass KilnMainly used for coke oven of coking chamber and combustion chamber partition, steel open hearth of regenerative chamber and sediment chamber, soaking furnace, glass melting furnace, refractory silica brick materials and ceramic firing kiln and kiln of the vault and other supporting parts. Also used in hot blast stove of high temperature bearing parts and acid open hearth furnace roof.
Packaging : Packed by sea-worthy wooden pallet + shrink wrapped + carton
For example, Standard size of Fireclay brick : 230x114x65mmShipping : 384pcs/plt x 18plts in one 20 feet container;
RS Refractories Co., Ltd. is located in Henan, China. Our company has professional scientific and technical personnel and production team, and we have our own fully automated factories. For more than ten years, we have focused on the development and innovation of refractory materials and high-temperature furnace technology, and strive to provide customers with comprehensive, personalized and cost-effective services with high-quality products. Our products are widely used in electric power, metallurgy, petrochemical and other fields, and are exported to more than 70 countries and regions in the world such as Europe, America, Oceania, Southeast Asia, and the Middle East.
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