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Zero Expansion Silica BrickA

Zero expansion silica bricks is High thermal shock resistance and zero expansion silica bricks produced with fused silica as the main raw material, with resistance to thermal shock when warming up, high strength, low expansion rate, acid erosion resistance and many other advantages, it is the best choice for glass kiln as hot patching bricks.


Zero Expansion Silica Bricks

Zero expansion silica bricks Index
SiO2           ≥ 99
Fe2O3          ≤ 0.3
 

Flux index ≤

0.4
 

0.2MPa refractoriness under load ℃ ≥

1650
Apparent porosity % ≤ 22
Cold crushing strength MPa Unit Weigh<20kg  ≥ 35
Unit Weigh≥20kg  ≥ 30
True density g/cm3 ≤ 2.34
Thermal shock water-cooled at 1100℃ (times) ≥30

Zero expansion silica bricks has more advantages, like low expansion and high thermal shock resistance, designed for coke oven and glass kiln in hot maintenance. And it would be repair when the kiln is working, need not stop kiln’s working process. When masonry, we don’t need to reserved expansion joint, it’s an ideal product for coke oven hot maintenance.

zero expansion silica brick6

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