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High Alumina Low Cement Castable

High alumina low cement castable is a monolithic refractories. Due to its extremely low cement content, its strength at high temperatures is more dependent on the properties of the raw materials themselves.

Other name: Low Cement Refractory Castable

Model Number: HCR 16T, HCR 16, HCR 160, HCR 15B

Certification: ISO 9001-14001

Minimum Order Quantity: 5 MT


High alumina low cement castable

Introduction:

High alumina low cement castable is a type of refractory castable, and it is a monolithic refractories. That means, the calcium aluminate cement is added in an amount of about one-half or one-third of the castable of the ordinary cement castable. The application of low-cement refractory castable is becoming increasingly widespread.

Advantages:

Compared with general high alumina castables, the high alumina low-cement castables use ultra-fine micro-powder to reduce the amount of cement and greatly improve the strength and erosion of low-cement castables. Increased bulk density, reduced porosity and increased service life.


High alumina low cement castable phycial and chemical

ItemHCR-16THCR-16HCR-160HCR-15B
Al2O3  %75707570
Bulk Density kg/m³ 2650260027002600
C.C.S. Mpa 110   ×24h10010010080
1100 ×3h110100110100
1500 ×3h110-150-
M.O.R. Mpa 110   ×24h1081410
1100 ×3h12101512
1500 ×3h12-15-
Permanent Linear Change %1100 ×3h±0.3±0.4±0.4±0.4
1300 ×3h-±0.5-±0.5
1500 ×3h±0.5-±0.5-
Max. service temperature 1600160016001500
Water Addition %5.5~6.56.0~7.55.5~6.05.5~6.5
Alkali Resistance-Grade II-Grade II
ApplicationKiln hood, cooler, etc.Outlet, burner, kiln hood, cooler, etc.Kiln hood, cooler, etc.




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