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Silica Bricks

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1. Silica bricks for coke oven are Silica refractory products for building coke furnaces; its main crystal phase is Tridymite. 2. Silica bricks for coke oven are used in building checker chamber, chute, combustion chamber, coking chamber, and furnace arch etc. 3. Silica bricks for coke oven have following characters:High refractoriness under load. High heat conductivity. Good thermal shock resistance. Solidity stable of capacity in high temperature.

1. Silica Brick Description:

  • Silica bricks for coke furnace are Silica refractory products for building coke furnaces; its main crystal phase is Tridymite .
  • Silica bricks for coke furnace are used in building checker chamber, chute, combustion chamber, coking chamber, and furnace arch etc.
  • 2.Silica bricks for coke furnace have following characters:
  • 2.1 high refractoriness under load.
  • 2.2 high heat conductivity.
  • 2.3 good thermal shock resistance.
  • 2.4 solidity stable of capacity in high temperature.

Specification for silica brick:

Item

Index

JG-94a

JG-94b

Bottom, Wall

Others

SiO2,% ≥

94

0.2Mpa refractoriness under load , °C≥

1650(silica with glue 1620)

Apparent porosity,% ≤

22

24

Compress strength, Mpa ≥

30

25

Real density, kg/m3 ≤

2.34

2.35

Thermal expansion rate,00°C ≤

1.28

1.30

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