TQC sheen – Viscosity Calculator

The TQC Viscosity Calculator is an indicative conversion table relating viscosity (in Cst) to flow time of different cups. Printed on the front is the No.4 complying with BS-NF-ASTM-Din and Zahn 2, on the back ISO no.’s 3-4-5-6 and Zahn 3 as well as the Gardner viscosimeter.