Understanding Hot Mix Asphalt A driveway of hot mix asphalt consists of an engineered combination of sand, stones and a petroleum material of liquid asphalt cement. Variable sizes of pebbles and sand mixture, or aggregate, get heated and then blended in precise amounts with 300 degree liquid asphalt cement. When the mixture is still heated, [...]The post Hot Mix Asphalt appeared first on Asphalt Paving Company | De Forest, WI.