per tazze Ford; vetro di copertura per rimuovere l'eccesso di prodotto dalla tazza; livella a bolla e supporto; bicchiere in acciaio inox; confezione di scovolini per pulizia
Elige tu modelo
Procedure
Place flow cup in a precisely horizontal position using ring stand or temperature control jacket
Close orifice
Pour in test liquid
Draw a clean glass plate over the rim of the cup, removing superfluous liquid into the overflow reservoir and closing the cup
Remove glass plate horizontally
Open the orifice and start the stopwatch simultaneously
Stop the watch with the first break in the efflux stream
Repeat the measurement three times, each with a new sample of the same material