Acidic silica bricks (SiO₂≥94%) with high RUL for coke ovens and glass furnaces.
Silica bricks (SiO₂≥94%) refractoriness-under-load above 1620℃, with high-temperature volume stability and acid-slag resistance — the key brick for coke-oven chambers and glass-furnace crowns. Heat up per curve with silica mortar and reserved expansion joints.
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Silica brick with SiO₂≥94%, refractoriness ≥1690℃ and RUL ≥1620℃ shows no high-temperature shrinkage, stable under long-term load and resistant to acid slag and atmospheres—the recommended choice for coke ovens.
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