Cast 50 : High alumina castable general purpose castable

Raw material basis : Secar 70, bauxite, calcined and other additives.

Max. service temperature (°c) : 1550

Tons required per cu. m. of construction : 2.23

Type of set : Hydraulic

Water required (%) : 10.5 – 12.5

Permanent liner change (%) :       

- After drying      0

- After firing 1000 °C       - 0.2

- After firing 1300 °C       - 0.3

- After firing 1500 °C       ----

Crushing strength (M.Pa) :             

- After drying     3.4

- After firing 1000 °C       1.64

- After firing 1300 °C       1.32

- After firing 1500 °C       2.42

Thermal conductivity at 350 °C (k.j/m.h.°C)  : 2.5

Chemical composition (%) :          

SiO2          44

Al2O3    ≥50