Hengjiake Hydrated Alumina HA-109 is an alumina based binder that does not contain calcium oxide and can undergo hydration reactions. It is used in various refractory materials such as prefabricated parts, low cement castables, ultra-low cement castables, and cementless castables.
Hydrated alumina HA-109 has the following characteristics:
The content of calcium oxide is less than 0.1%.
Can improve refractory materials, especially A1,0:- si0, High temperature performance of materials