Ambition refractories co.,ltd. produce and supply Silica Refractory Bricks For Coke Oven

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Refractory Bricks-Silica Refractory Bricks For Coke Oven

Silica Refractory Bricks For Coke Oven

Technical Data

Item	bottom,wall	other
SiO₂ %≥	94.5	94.5
Al₂O₃ %≤	1.5	1.5
Fe₂O₃ %≤	1.5	1.5
CaO %≤	1.5	1.5
Apparent porosity % ≤	22	24
True density g/cm³≤	2.33	2.34
Thermal expansion(1000℃)% ≤	1.28	1.30
Linear change after reheating(1450℃×2h),%	0~ +0.2	0
0.2mpa refractoriness under load ,℃≥	1650	1650
Residual quartz % ≤	1.0	1.0

Ambition refractories co., ltd.