Standard Tar Viscometer

Light mineral oil with complete metal cup cover and stopper.

For determining the viscosity of cut back bitumen and road tar.It has a cup known as 10 mm cup. The cup is a cylindrical brass tube with a dished bottom. An orifice is provided in the centre of the base which can be closed with a ball valve. A cylindrical copper water bath 160 mm dia x 105 mm with a side heating tube is mounted on a stand with levelling feet. A stirrer with a curved shield and four vertical vanes with an insulating handle and a thermometer support is provided