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ISO 8003:1985

Carbonaceous materials used in the production of aluminium — Pitch for electrodes — Measurement of dynamic viscosity

May 30, 1985

General information

90.93     Oct 24, 2022

ISO

ISO/TC 226

International Standard

71.100.10  

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Scope

Two methods for the measurement are specified: Method A (Ball displacement method): Determination of the viscosity of a pitch at a given temperature determined using a sample of pitch having similar characteristics by measurement of the time a ball, drawn by a defined force, requires to traverse a fixed distance within a measuring tube filled with the sample of molten pitch. Method B (Rotation of a cylindrical body method): Measurement of the shear stress of a substance at a selected rotational speed at a given temperature by means of a system composed of a cylindrical-conical body revolving in the substance contained in a cylindrical vessel.

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PUBLISHED
ISO 8003:1985
90.93 Standard confirmed
Oct 24, 2022