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What is Silica Brick?

Firstly, the most basic is that the nature of silica brick belongs to acidity. The true density of silica brick is the smaller, the lime change is the more complete, in the process of the oven, generated residual expansion is the smaller. In silica brick, the true density of tridymite crystal is smallest, the linear expansion rate is small, the thermal stability is better than quartz, thermal conductivity is good, refractoriness under load is high, slag corrosion resistance is strong, is the most stable volume form in quartz. In good firing silica brick, the content of tridymite is the highest, accounted for 50% ~ 80%. Cristobalite takes second place, only accounted for 10% ~ 10%. The content fluctuation of quartz and glass phase is in 5% ~ 5%. When working temperature is below 6... Read more

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