This document specifies the general principles of a method, using an inclined tube falling ball viscometer, for determining the viscosity of polymers and resins in the liquid emulsified or dispersed state. It is intended for application to liquids over a viscosity measurement range of 0,6 mPa˙s to 250 000 mPa˙s (temperature range -20 °C to +120 °C) for which the shear stress and shear rate are proportional, i.e. the viscosity is independent of the shear rate. This ideal behaviour is commonly known as Newtonian behaviour. If a liquid differs significantly from this behaviour, different results can be obtained with the different balls of a falling ball viscometer or from viscometers with different geometries, such as capillary and rotational viscometers.
Označení | ČSN EN ISO 12058-1 (640348) |
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Katalogové číslo | 506141 |
Cena | 230 Kč230 |
Datum schválení | 1. 2. 2019 |
Datum účinnosti | 1. 3. 2019 |
Jazyk | angličtina (obsahuje pouze anglický originál) |
Počet stran | 20 stran formátu A4 |
EAN kód | 8596135061419 |
Tato norma nahradila | ČSN EN ISO 12058-1 (640348) z května 2003 |
Dostupnost | skladem (tisk na počkání) |