Our Finer Details
Products
Our Stone
DLA Investments Granite Quarries
Specialists in the production of granite surface plates and blocks in all sizes and categories.
Products
Granite Surface Plates (Precision Plates)
Specialists in this field, quarrying blocks of any size up to 15m in any dimension, made to order.
Products
Gangsaw Size and Blade Saw Size Blocks
Quarrying of sizes ranging up to 330 × 200 cm for gangsaws and all categories below; our range is extensive and covers all manufacturing requirements.
While granite is a natural material with variations in colour, our material is remarkably consistent in both colour and grain.
Our Stone
Technical Specifications
- Geological classification
- Gabbro-norite
- Lithostratigraphic unit
- Rustenburg layered suite of the bushveld igneous complex
- Macroscopic description
- Unfractured medium grained dark grey rock consisting of phenocryst of grey and black minerals
Compressive Strength
MPa 240
Flexural Strength
MPa 22
Modulus of Rupture
MPa 26
Abrasion Resistance
mm 1,48
Co-efficient of Thermal Expansion
mm per °C 9.07 × 10⁻⁶
Porosity
% per mm 0,34
Water Absorption
% 0,1
Contact
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DLA Investments SA (Pty) Ltd
Head Office: Sonop Road, Sonop, Brits District, South Africa
Postal Address: PO Box 1742 Brits, 0250. South Africa