Designed in order to eliminate hand cleaning of glass viscometer capillaries. Main characteristics Viscometer washer supplied with six nozzle stoppers. It allows external and internal washing of all types of viscometer tubes as mentioned in ASTM D446. Pre-wash the viscometers with Neutralene VG2020. Eliminate further hand cleaning with the use of Toluene as cleaning solvent. Viscometer tubes are suspended at 80°C. Very fast cleaning (5 to 15 min) for six viscometer tubes and negligible solvent consumption.