VACUUM VISCOMETER MODIFIED KOPPERS.
As Per IS 1206 (Part II) 1978.
It is used to determine Kinematic viscosity of paving grade & cut back bitumen and distillation residue of cut backs by vacuum capillary viscometers at any specified temperature.
It is applicable for the materials having 42 to 200000 Poises.
Supplied complete with Calibration Certificate for Constant.