A simple glassware test for evaluating the tendency of engine coolants to foam under laboratorycontrolled-conditions of aeration and temperature.

Consisting of a small electric heater, borosilicate glass 4 l, 500 ml graduated cylinder with metal ballast on the bottom, a porous stone with a diffuser ball-shape, a 3-way stopcock, blowing pump and flowmeter 60 l/h

- Temperature: from ambient to 100°C (212°F)
- Stability: ±1°C
- Power supply: 220V 50/60Hz
- Power: 600W