Size and shape
Otherwise known as the ALD test, the size and shape test is used to define the average least dimension versus the average greatest dimension.
Labs
Aggregate
Because we’re quarry operators we understand your challenges. We can provide you with advice on what specifications you need to conform to, the testing you need to do, and how you need to do it. We know how to package up your quality control and advise you on how to go about ensuring your products are tested and compliant ready for sale.
Weathering quality index
Categorises the aggregate into a number of different quality groups based on the resistance of the aggregate to cycles of wetting and drying.
Cleanness value
The Cleanness Value test measures the amount of fine clay-like material coating surfacing and concrete aggregates.
Particle size distribution (PSD)
Particle Size Distribution testing measures the amount of different sized particles in an aggregate product.
Sand equivalent
The Sand Equivalent test provides an empirical measure of the quality and quantity of fines in an aggregate.
Plasticity index (PI)
The Plasticity Index test is used to assess the quality of the fines in an aggregate.