PHYSICAL - MECHANICAL FEATURES

Commercial trade name: KG Rustenburg Geological classification: Gabbro Lithostratigraphic unit: Rustenburg layered suite of the bushveld complex Mineralogical composition   Major constituent minerals: Plagioclase Orthopyroxene Clinopyroxene Accessory minerals: Magnetite Sericite

Physical Properties   Compressive strength, MPa (nominal value) Flexural strength, MPa (nominal value) Water absorption, % m/m:     Atmospheric pressure     Induced pressure Porosity, % 270 22 0.08 0.08 0.30 Density:   Bulk density, kg/m3 Relative density Abrasion resistance, wear, mm Coefficient of thermal expansion, per °C 2950 2,96 1,44 4,93 x 10-6