Ford flow cup
The Ford viscosity cup is a gravity efflux viscosity cup complying with the American Standard ASTM D1200. It is a widely used on-site viscosity testing instrument in the European and American coatings, ink and plastic paint industries. It measures the efflux time of Newtonian liquids, which can be converted into kinematic viscosity in centistokes (cSt).
Description: Ford Cups produced by our company is in accordance with International Standard ASTM D1200, D333,D365.For easy measurement of the viscosity of paints, inks, lacquers and other liquids. These cups are guaranteed to be within 2% throughout the recommended be use range.
It is mainly available in two types: the bench-mounted standard Ford cup (equipped with a stand for precise laboratory testing) and the hand-held immersion Ford cup (portable for on-site spraying workshops).
Technical Parameters：
■ Internal Diameter：50±0.05mm
■ Outer Diameter：86±0.1mm
■ Internal Orifice Length：10±0.1mm
■ Production Tole range : ±2%
Parameters of each Ford Cups
| Details/Ford cup | Ford Cup 2 | Ford Cup 3 | Ford Cup 4 | Ford Cup 5 |
| Internal Vertical Height | 43±0.1mm | 43±0.1mm | 43±0.1mm | 43±0.1mm |
| Internal Orifice ф（mm） | 2.8 mm | 3.4 mm | 4.1 mm | 5.2 mm |
| External Orifice ф（mm） | 5.0±0.5mm | 5.5±0.5mm | 6.0±0.5mm | 7.6±0.5mm |
| Centistokes Range | 25-120 | 49-220 | 70-370 | 215-1413 |
| Efflux Time（sec）±0.2 | 40-100 | 25-105 | 20-105 | 20-105 |
| Ordering Information | NT 101/2 | NT 101/3 | NT 1015/4 | NT 1015/5 |
Conversion formulas of kinematic viscosity V (cst) and measuring seconds t (seconds):
Ford Cup 2 V = 1.44 (t-18)
Ford Cup 3 V = 2.31 (t-6.58)
Ford Cup 4 V = 3.85 (t-4.49)
Ford Cup 5 V = 12.1 (t-2)
(cst x density = cP)
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