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High alumina refractory castable

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high alumina refractory castable, high density, low porosity rate, good hot strength, high refractories. professional producer.

Description

High alumina refractory castable
This product have the merits of high density, low porosity rate, good hot strength, high refractories and high refractoriness under load. It is strong in mechanical spalling resistance, shock resistance and corrosion resistance. This product is widely used in thermal equipments, heating furnace in metallurgical industry, boilers in electricity industry, and building material industry furnace.

 

Al2O3

≥70

Refractoriness

1770

Temperature when permanent linear change is ≤1.5%

1350

105-110oC dried

Cold crushing strength Mpa

≥65

Modulus of rupture Mpa

≥8.5

Thermal shock resistance(times) (900oC water cooling)

≥25

Maximum working temperature

1450