ASTM D1481 – Density and Relative Density (Specific Gravity) of Viscous Materials by Lipkin Bicapillary Pycnometer
Viscous oils frequently require mass/volume conversions whether they are used as lubricants or in formulations. This method determines density and relative density of viscous oils.
Related pycnometer tests offered by Petro-Lubricant Testing Laboratories:
ISO-2811 “Paints and Varnishes – Determination of Density – Part 1 – Pyknometer Method”
PLTL-90 “Density of Greases and Highly Viscous Liquids by Pycnometer”
For bituminous materials consider ASTM D70 “Density of Semi-Solid Bituminous Materials (Pycnometer Method)”
For medium and low viscosity liquids consider “ASTM D891 Specific Gravity Apparent, of Liquid Industrial Chemicals”
For emulsions and pastes consider ISO 2811 “Paints and Varnishes – Determination of Density – Part 1 – Pyknometer Method”