Vacuum Pump (Bitumen Viscosity)
Laboratory vacuum pump used with vacuum-capillary viscometers for absolute viscosity determination of bitumen.
NABL TC-14144·
ISO/IEC 17025:2017·
Lab ID —
This laboratory Vacuum Pump applies the controlled partial vacuum required to draw bitumen through a vacuum-capillary viscometer when determining the absolute (dynamic) viscosity of paving-grade binder. It is a supporting instrument in the viscosity setup used under IS 1206.
What this equipment tests
- Applying controlled vacuum for absolute viscosity (IS 1206)
- Support for vacuum-capillary viscometry
Applicable Indian Standards
- IS 1206 — Determination of viscosity of bitumen
Related NABL testing services
Frequently asked questions
What is the vacuum pump used for?
It provides the controlled vacuum needed to draw bitumen through a vacuum-capillary viscometer during absolute viscosity testing.