Porosity of fireclay refractories is __________ percent.

More Questions from Refractory Technology

• Which one contains minimum percentage of SiO2?
• Zirconia refractories are not used in
• With decrease in porosity, the __________ of the refractories decreases.
• An ideal refractory should have high
• Highest melting (m.p = 3070°C) oxide refractory is
• SiO2 percentage in firebrick is about
• Maximum apparent porosity of magnesite bricks is about __________ percent.
• Mullite is chemically represented by
• Graphite or carbon refractories
• Dilatometer is used for the determination of __________ of refractories.

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