Factory:  Corner Steyr & Alfa Sts 
Aureus Industrial sites 
RANDFONTEIN  
Email: info@keramicalia.co.za
Website: www.keramicalia.co.za
Cell: Dave  082  808 4757
Email: keraccounts@iafrica.co.za
Accounts: Myrtle Wakeford
Tel: (011) 764 2139
Tel: (011) 412 3261
P O  Box 2288
Wilro Park,1731

Description; Boiler tube inserts manufactured from pure zirconium silicate.

Chemical composition:

66% ZrO2

34% SiO2

0% CaO

Mineral composition; 100% zircon

Specific gravity; 4,7g/cm3

Hardness;  7, 5 on Moh scale

Chemical reactivity; Almost totally inert.

Acid solubility; HF only

Alkaline solubility; Hot NaOH only.

Sulphur resistance; Immune to all sulphurous gases.

Median crystal size; 4 micron

Porosity; 6-12%

Thermal shock resistance; Excellent.