Which is not a high alumina refractory?

More Questions from Refractory Technology

• Ramming masses are used for
• __________ is the measure of the strength of refractory under the combined effect of temperature & load.
• 10 to 30% magnesite is added to chromite to produce chrome-magnesite refractories. Magnesite addition is mainly done to improve the __________ of chromite.
• High alumina refractory compared to fireclay bricks have
• Pick out the wrong statement.
• Addition of zircon to silica refractory brick improves its
• Which of the following impurities reduces the refractoriness of magnesite bricks?
• Crushing strength of a refractory
• Refractory bricks having lower porosity have
• Refractoriness under loads (RUL) is quite close to the fusion temperature (PCE) for __________ bricks.

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