Huachen Refractory

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Magnesite brick

Magnesite brick, also known as periclase brick, is a common type basic refractory brick. It often works as checker brick in glass regenerator, or permanent lining brick of steel-making converter.

Other name: Magnesia brick, Periclase brick

Model Number: HCR M91, HCR M93, HCR M95, HCR M97

Certification: ISO 9001-14001

Minimum Order Quantity: 5 MT

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Magnesite brick

Description:

Refractory materials with magnesium oxide as the main component and cristobalite as the main crystal phase are collectively called magnesia refractory materials. It mainly includes ordinary magnesite bricks and direct bonded magnesite bricks.

Ordinary magnesite bricks are made by sintering magnesia as raw material and contain about 91% MgO. They are magnesia refractory products direct bonded with silicate. The production and use of these products are very extensive.

Direct bonded magnesite bricks are made of high-purity sintered magnesia as raw materials and sintered. Containing more than 95% of MgO, it is a magnesia refractory product with direct bonded between periclase grains.

Advantages:

High refractoriness, good resistance to alkaline slag erosion, high thermal conductivity

Application:

Permanent lining of converter, glass kiln regenerator


Magnesite bricks physical and chemical

ItemHCR M91HCR M93HCR M95HCR M97
MgO  min%919394.596.5
SiO₂ MAX%42.51.51
CaO MAX%2.521.51.2
Apparent porosity MAX %18181817
Bulk Density g/cm³2.862.952.953.05
Cold Crushing Strength Mpa ≥50505560
Refractoriness under load of 0.2Mpa(℃) ≥1570162016501700




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