▶Used to determine the effects of heat and air on a film of semisolid asphaltic materials. The effects of this treatment are determined from measurements of selected asphalt properties

▶before and after the test.

▶Double wall insulation with fiberglass, double-glazed door.

▶Equipped with a digital thermostat and an indicator with operating temperature up to 163°C (325°F) fitted with overheat thermostat to prevent accidental over-temperature and to provide a safe working environment. The maximum temperature is regulated with the Proportional Integral Derivative (PID) control and goes to a maximum set value.