Engineered to meet the CAN/CGSB-16.3-M90 specification, as well as specific provincial/state/regional requirements, which represents the more technical, empirical asphalt cement grading system.
Basic Asphalt Materials Mixtures Design and Testing – Technical Training Manual
1985-Using the Freezing Index for the Optimum Selection of Paving Asphalts – McLeod
1961-Asphalt Cements from Canadian Light Crudes and Their Use in Pavement Construction-Norman W. McLeod
1961-The Asphalt Institute – What is It and What it Does – A Panel Discussion