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Silica bricks for coke oven
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Silica bricks for coke oven

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Silica  bricks for coke oven(JG)

 

The coke oven silica brick produced by our company has a history of more than 20 years. Its phase composition is mainly composed of phosphorite and quartz, supplemented by cristobalite. In addition, its bulk density is high, its thermal conductivity is strong, and high temperature creep is stable, ensuring long-term use without deformation.

 

Silica  bricks for coke oven YB/5013_2005

 

Project Specified value When retesting, the single value allows for deviation.
Bottom, furnace wall othor
(SiO2)/% ≥ 94.5 -
(Al2O3)/% ≤ 1.5 -
(Fel2O3)/% ≤ 1.5 -
(CaO)/%≤ 2.5 -
Apparent porosity /% ≤ 22 24 +1
Normal temperature compressive strength /Mpa ≥ 40 35 10%
0.2Mpa Load softening start temperature ℃≥ 1650 -10
True density /( g/cm3)≤ 2.33 2.34 +0.01
Residual quartz /%≤ 1.0 -
Heating permanent line change(1450℃×2h)/% 0~0.2 -
Thermal expansion rate(1000℃)/%≤ 1.28 1.30 +0.03
If necessary, a thermal expansion curve from room temperature to 1200 ° C can be provided.

 

Corresponding parameter set not found, please add it in property template of background
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暂未实现,敬请期待
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