VACUUM VISCOMETER - ASPHALT INSTITUTE.
As Per IS 1206 (Part II) - 1978.
It is used to determine absolute or dynamic viscosity of bitumen and cut-backs by vacuum capillary viscometers at any specified temperature.
It is applicable for the materials having 42 to 200000 Poises.
Supplied complete with manufacturers Test Certificate for Constant under Vacuum 30 cm Hg of Bulb B, Bulb C & Bulb D.