Washing of the asphalt sample (up to 3.5 kg) with solvent and ultrasonic motion, with simultaneous heating and rotation of the drum lined with screening mesh
High speed extraction centrifuge for separation of filler from binder solution
Condensation of solvent vapour in a stainless steel tank inlcuding cooling coil
Automatic recovery of solvent by a continuous distillation process
Easy binder recovery for further tests such as penetration, softening point, etc.
Fast connection for rotary evaporator flask available as option
Extraction time reduced to approx 55 minutes (including drying)
No toxic fumes in the laboratory, conforming to latest anti-pollution requirements