High Alumina Refractory Castable
Specifications
high alumina refractory castablehigh density, low porosity rate
good hot strength, high refractories.
professional producer.
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 |
|
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