Bitumen is a black viscous product obtained from petroleum or found naturally. Machines under this category is for checking the physical and chemical character for analysis, see if it can meet the standard requirement which can be ensured for further process.

Asphalt is mainly composed of aggregates and bitumen by different ratio and proportion. Machines under this category are used to test the properties of these mixtures, ensure it's qualified and contribute to the solid, safe and stable pavement.