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high alumina castable

High Alumina Refractory Castable Material

High-aluminum refractory castable is a type of refractory castable whose main component is high-aluminum oxide. It is usually made from high-purity aluminate minerals as raw materials, which are sintered, ground and mixed.

  • Payment :

    In Advance
  • Product Origin :

    China
  • Shipping Port :

    Shanghai Port
  • Lead Time :

    15 Working days

Product parameters:

Item   DYS-HA45 DYS-HA60 DYS-HA70 DYS-HA75 DYS-HA80 DYS-HA90
Dry Density, g/cm3 2.3 2.5 2.6 2.65 2.7 3
Chemical, % Al2O3 ≥ 45 60 70 75 80 90
Modulus of Rupture Mpa 110℃×24h ≥ 5 8 9 9 10 12
  1500℃×3h≥ 8(1350℃) 10 (1450℃×3h) - - 12 15
Compressive Strength Mpa 110℃×24h ≥ 30 40 40 45 45 60
1450℃×3h ≥ 60 80 80 85 90 85  
Linear Dimensional Change After Fired (1500℃×3h)% ≤ ±0.5 1350℃×3h ±0.5 1450℃×3h ±0.5 1450℃×3h ±0.5 1450℃×3h ±0.5 ±0.5
Refractoriness, ℃ 1710 1740 1790 1790 1790 1790
Working Temp, ℃   1450 1450 1500 1550 1600 1650

 

Product features:

1. High temperature resistance: High aluminum refractory castables can withstand extremely high temperatures, usually above 1500°C, and maintain stable physical and chemical properties.

2. Wear resistance: It has high wear resistance and can withstand mechanical impact and abrasion at high temperatures, extending the service life of the equipment.

3. Chemical erosion resistance: High-aluminum refractory castables have good resistance to chemicals such as acids and alkalis, and can resist chemical erosion and corrosion.

4. Excellent thermal shock stability: It can withstand thermal shock cycles at high temperatures, is not prone to cracking and peeling, and maintains structural integrity.

5. Good construction performance: High-aluminum refractory castables can be constructed by pouring, spraying or painting, and are suitable for equipment linings of various shapes and sizes.

6. High strength and durability: It has high strength and durability and can work stably in high temperature environments for a long time.

We have High Alumina Powder can choose.

 

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