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;   A high quality Plaster of Paris made from pure natural gypsum, for use in medical, ceramic and moulding applications.

Chemical composition;   95% minimum CaSO4·H?O

Mineral composition;   Approximately 35% Alpha Hemihydrate and 65% Beta Hemihydrate.

Particle size distribution;    Typically        100% passing 200 micron

                                                                                98% passing 86 micron

                                                                                92% passing 63 micron

Water addition;   1,4 to 1,7 parts powder to 100 parts water.

                                Ideal water factor 0,64 parts water to 100 parts powder.

                                Test results below are at 1,57 parts powder to 100 parts water.

Start of setting;   9-12 minutes.

Final set;   29-33 minutes

Linear expansion;   0,20%   (2mm / metre.)

Brinell hardness;   360kg/cm²

Colour;   White

Claimer;   The above data had better be correct, as Dave Onderstall stakes his reputation on it.