Ink, paint, varnish and similar industries widely use ISO 2431 Flow Cups to quickly calculate the viscosity of there products.
Viscosity Flow Cup, BS EN ISO 2431 and BS EN 535 (1991) usually available for next day delivery.
Optional calibration adds 5 working days to lead time.
Calibration service also available either on or offsite
Manufactured in the UK by Rhopoint Instruments
ISO 2431 Flow Cup sizes
| Type | No.3 | No.4 | No.5 | No.6 | No.8 |
| Orifice Diameter | 3mm (0.12″) | 4mm (0.16″) | 5mm (0.20″) | 6mm (0.24″) | 8mm (0.31″) |
| Viscosity Range | 7-42cSt | 35-135cSt | 91-325cSt | 188-684cSt | 600-2000cSt |
| Flow Times | 30-100 sec | 30-100 sec | 30-100 sec | 30-100 sec | 30-100 sec |
