High Purity 1690C Silica Fire Refractory Bricks For Coke Oven And Glass Melting Furnace
Brand Name:CH Refractories
Certification:ISO
Model Number:CH-GZ
Minimum Order Quantity:5 tons
Delivery Time:15-20 working days
Payment Terms:L/C, T/T
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Yuanzhuang Town Industrial Park, Xinmi City, Henan province, China
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High Purity Silica Brick Refractory Bricks For Coke Oven And Glass Melting Furnace
Silica Brick Refractory Bricks
Silica refractory brick is fused silica refractorya acid refractory brick which mainly consisting of tridymite, cristobalite, and a small amount of residual quartz and glass phases. The silicon content is 94% or more. True density of the silicon brick is 2.35g/cm3.
CH Refractories has manufactured and installed silicon bricks for
more than 30 years, there are many different kinds molds, when
manufacturing, which will save much mold casting time. CH
Refractories also can design silica firebricks size for you
according to your furnace requirements for free and guide you how
to install on site.
Fused silica refractory brick is slowly calcined at 1350℃ to 1430℃
under a reducing atmosphere. When heated to 1450℃, there is about
1.5~2.2% of total volume expansion. This residual expansion will
make the joints tight and ensure good air tightness and structural
strength of the masonry.
| Items | common silica brick | silica brick used for hot blast stove | |||
| / | CH-GZ-95 | CH-GZ-94 | CH-GZ-93 | Vault brick | Checker brick |
| SiO2%≥ | 95 | 94 | 93 | 95 | 95 |
| Refractoriness/ | 1710 | 1710 | 1690 | ||
| 0.2Mpa refractoriness under load | 1650 | 1620 | 1620 | ||
| Apparent porosity/% ≤ | 22 | 23 | 25 | 22 | 23 |
| CCS/Mpa ≥ | 29.4 | 24.5 | 19.6 | 35 | 30 |
| Bulk densityg/cm3 ≥ | 2.37 | 2.38 | 2.39 | 2.35 | |
| High temperature Creep(0.2Mpa 1550℃50h)/%≤ | 0.8 | ||||
| Thermal linear expansion/%(1500 | 1.26 | ||||
Applications of Silica Fire Brick:
Coke oven
Hot blast furnace
Glass melting furnace
Advantages of CH series Silica Fire Brick:
SiO2 is above 95%
Acid slag corrosion resistance
High softening point with temperature
Free sampleFree construction guidance free 3D design
Customerize mould according to different size requirements for free
Packages and delivery
The fire bricks will be packaged on pallet or wooden carton according to customer's requirements, keep product from humidity. Generally the volum of package is 1.1*1.1*1.1m, which is convenient to delivery. We make sure the package is seaworthy. There are many products in store in our warehouse, and make sure fast delivery to customer.
Plants view
CH Refractories has been major in fire bricks, castable and ramming mass manufacturer for more than 30 years. Products have been exported to many countries, such as Pakistan, Korea, Malaysia, Indoneisa, Germany and so on. There are more than 100 professional engineers to make sure stable product quality. We care high quality and safety of refractories.
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High Purity 1690C Silica Fire Refractory Bricks For Coke Oven And Glass Melting Furnace
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