Keramicalia

Tel: +27 (0)11 412 3261 or +27 082 808 4757
We manufacture specialised refractories and ceramics.

Hollocast 5

Description:       Bubble alumina castable, silica free.  It has excellent flow properties and can be used for intricate shapes. The bulk of porosity is sealed in alumina bubbles.

Maximum services temperature:  1800°C

Chemical analysis: 

Al2O3 95.0%
Fe2 O3 0.1%
Cr2O3 0.01%
SiO2 0.01%
TiO2 0.01%
Ca2O3 4.8%
MgO    0.2%
Na2O   0.2%
K2O   0.1%
P2O5    0.5%

Density:  2,1kg/litre

Cold crushing strength:  ±20MPa

Water addition for casting: +18%

Packaging:  25kg Plastic bags

Development no.   40313