HEAVY CLAY SERVICES
FULL CLAY INVESTIGATION, WHICH INCLUDES:
• Chemical Analysis (XRF / ICP)
• Mineralogical Analysis (XRD)
• Preparation of samples
• Forming properties, drying properties, fired properties, plasticity
• Particle size distribution (PSD)
• Differential thermal analysis (DTA)
• Thermogravimetric analysis (TGA)
• Thermal expansion
Note: The above tests are also carried out individually.
FINAL PRODUCT TESTING
• Testing of burnt clay masonry units according to SANS 227:
– Sample preparation
– Shape, appearance, texture, colour, dimensions, warpage
– Water absorption
– Cold Crushing Strength (CCS)
– Efflorescence
– Soundness
– Moisture Expansion
– Soluble Salts
• Testing of Burnt clay paving units according to SANS 1575:
– Sample preparation
– Shape, appearance, colour, dimensions, warpage
– Water absorption
– Modulus of Rupture (MOR)
– Moisture expansion
• Resistance to salt attack / Salt weathering
TRAINING
• Brickmaking training course (8 1-day modules over 16 weeks)
• Quality Control course
• Refractories awareness course







