Paragon Scientific Limited specialises in the production of Premium Quality, Primary level, Viscosity Reference standards. Paragon encompasses advanced production techniques with the use of Primary laboratory test equipment such as long capillary master viscometers for viscosity standards calibration. Paragon Scientific is accredited to ISO 17025 / ISO 17034 for the manufacture and certification of Viscosity, Density and Refractive Index Standards and ISO 17025 for Glass Capillary Viscometer Calibration.