Viscosity Flow Cup – BS 3900 (1971) Old Specification
Manufactured by Rhopoint Instruments
BS 3900 flow cup provides a viscosity value, usually expressed in a flow time, this being the time taken for the flow cup to empty though the hole in its base. The flow time can be calculated into centistokes (cSt).
£145.00
Flow-cup-size
Ink, paint, varnish and similar industries widely use BS 3900 flow cups to quickly calculate the viscosity of there products.
Viscosity Flow Cups BS 3900 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.
| Type | B2 | B3 | B4 | B5 | B6 |
| Orifice Diameter | 2.38 mm (0.09″) | 3.17mm (0.12″) | 3.97mm (0.16″) | 4.76mm (0.19″) | 7.1mm (0.28″) |
| Viscosity Range | 38-71cSt | 38-147cSt | 71-455cSt | 299-781cSt | 781-1650cSt |
| Flow Times | 30-300 sec | 30-300 sec | 30-300 sec | 30-300 sec | 30-300 sec |
