The Cooper Wessex Aggregate Abrasion machine CRT-AAM determines the Aggregate Abrasion Value (AAV) by measuring the resistance of aggregate to surface wear by abrasion. Inadequate abrasion resistance ...
The Cooper Wessex Polish Paver Machine CRT-PPM is specifically designed to meet international standards for the determination of the Polished Paver Value (PPV). Polish paver-value determination uses ...
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