Certified Viscosity Reference Standards
ISO 17025 certified
ASTM D2162, ASTM D445-IP71, ASTM D446, ISO 3104, ISO 3105, BS188
PSL certified kinematic viscosity Reference Standards are suitable for the verification and calibration of glass capillary viscometers in accordance with the above methods.
Viscosity values listed against these standards are nominal values. Actual certified values may vary.