Flow Cup Viscosity Standards

It has been constructed from the various international standard calculators.

Flow cup viscosity standards.

Paragon iso 17025 iso guide 34 certified flow cup viscosity standards are specifcally formulated for use with viscosity flow cups such as ford shell zahn. Nominal values at 25 c are shown in the associated table. The table below lists the major flow cup types together with a conversion chart of efflux time in seconds to viscosity in centistokes cst. Flow cups are designed to accurately measure the viscosity of paints inks varnishes and similar products.

Certified according to iso 17025 iso 17034 under ukas accreditation. Certified at 20 c and 25 c each value is tested to astm d 2162 for viscosity measurement and astm d 1480 for density. Density g ml in accordance with astm d1480. Lot specific kinematic viscosity data in mm s cst and calculated cup drain times are provided with each standard.

The viscosity is established in terms of the time in seconds in which a precisely controlled volume of fluid flows out through a nozzle of the viscosity cup. Elcometer offers the option to order viscosity flow cups complete with calibration certificates which offer traceability and assurance that the viscosity cups have been individually tested and comply to standards. Paragon iso iec 17025 and iso 17034 iso guide 34 certified flow cup viscosity standards are specifcally formulated for use with viscosity flow cups such as ford shell zahn. The flow cups can be supplied separately or with an adjustable stand which includes a precision level and an overflow glass draw plate.

A high density material will flow from a cup in a shorter time than a low density material of the same viscosity. Data is also provided at 20 c and 23 c. However gravity is the driving force causing liquid in a viscosity cup to flow through the orifice. Viscosity cups consist of a hollow cylinder which terminate in a nozzle in the bottom.

Each cup design is unique and care must be taken when comparing viscosity values between different cup types. Flow cup viscosity standards features fungilab iso 17025 iso guide 34 dual certified flow cup standards are especially designed for use in din ford iso shell and zahn flow cups and are also dual purpose density standards. Brookfield viscosity standards are used to check the calibration of your instrument. This measured kinematic viscosity is generally expressed in seconds of flow time which can be converted into centistokes cst using a viscosity calculator.

Cannon flow cup viscosity standards are for use in zahn shell and ford flow cups. The process of flow through an orifice can often be used as a relative measurement and classification of viscosity. Manufactured in accordance with astm d 2162 the primary method for viscosity.