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High-alumina castable is an amorphous refractory material composed of bauxite clinker (aggregate), binder, and admixture. It can be used directly after adding water and stirring and is formed by vibration casting. High-aluminum castables need a certain amount of time for setting and hardening after construction, so they need to be cured for a certain period before they can be de-molded after casting.
High alumina refractory castable details
| Items | RSGLJ-1 | RSGLJ-2 | |
| Al2O3 % | 65 | 75 | |
| Refractoriness ℃ | 1750 | 1770 | |
| Linear Dimensional Change % | -0.02 | -0.4 | |
| Cold Crushing Strength MPa ≥ | 110℃×24h | 50 | 60 |
| 1100℃×4h | 60 | 70 | |
| Breaking Strength MPa ≥ | 110℃×24h | 9 | 11 |
| 1100℃×4h | 10 | 12 | |
| Maximum Service Temperature ℃ | 1200 | 1400 | |
Castable refractory features
- Anti-penetration
- Corrosion resistance
- Shock resistance
- Anti-wear
- Good mechanical properties
- Furnace structure integrity is strong
- Excellent air tightness
- Extend the life of the kiln
- Saving furnace maintenance costs
How high alumina castable is produced?
High-alumina castables are based on traditional ingredients, reducing the amount of cement and adding different admixtures, thereby improving product performance, increasing temperature strength and load softening temperature, reducing thermal conductivity, and allowing high-alumina casting. The thermal stability of the material is better.
Application of high alumina castable
High alumina refractory castables are suitable for kilns, blast furnaces hot blast stoves, heating furnaces, boilers, and cement kilns.
Packaging of high aluminum low cement castables
Castable materials are generally packaged in 25kg small bags and then placed in large-ton bags to facilitate packaging and transportation.
Casting material-related certificate
Why choose the Rongsheng Group
Factory Outlet. Produced by the Rongsheng factory, the price is favorable and the quality is good.
Good service. Good pre-sales and after-sales service.
High productivity. After receiving the order, the factory goes into production to ensure on-time delivery.
The certificate is complete. After the castable is produced, it will go through a sample quality inspection.
Our partners
Do you have castable refractory cement power type needs 2400F/1871C in 20 0r 25 kgs bags?
Thank you
Alvaro Constantino
Sydney Hardware
okay,we will contact you later,Please pay attention to check email information.