Why measure gloss?
Gloss is an aspect of the visual perception of objects that is as important as colour when considering the psychological impact of products on a
BS3900 (1971) Viscosity Flow Cup
Original price was: £135.£102Current price is: £102.
BS3900 (1971) Viscosity Flow Cup
- 2.38mm – 7.14mm orifice diameter
- 38 – 1650 cSt viscosity range
- Flow times 300-300 sec
- Supplied with a certificate of conformity
- Sheen 401/2, 401/3, 401/4, 401/5 & 401/6 equivalent
Original price was: £135.£102Current price is: £102.
All GBP prices are exclusive of UK VAT (where applicable)
Viscosity Flow Cups
The Rhopoint Flow Cups are designed to accurately measure the viscosity of paints, inks, varnishes and similar products.
What is viscosity?
The term “viscosity” is a parameter that describes a fluids resistance to flow. This resistance is a measure of the friction and the forces of interaction between the layers of a fluid. This friction is apparent when one layer of fluid is made to move against another The greater the friction, the greater the amount of force required to cause the movement – known as “shear”.
The process of flow through an orifice can often be used as a relative measurement and classification of viscosity. This measured kinematic viscosity is generally expressed in seconds of flow time which can be converted into centistokes (cSt) using a viscosity calculator.
Manufactured from high grade aluminium alloy with stainless steel orifices (where indicated), the Rhopoint Flow Cups are available with a range of UKAS / ISO 17025 certified standard oils to confirm the flow cup is measuring within specification.
Specification
| Instrument Information | ||
|---|---|---|
| Material | High grade aluminium alloy, stainless steel orifice | |
| Commodity Code | 9027 8091 | |
| Weight | 200 - 300g (depending on model) | |
| Product | Order code | Orifice diameter | Viscosity range | Flow times | ||
|---|---|---|---|---|---|---|
| B2: 2.38mm (0.09”) | RL-A-FC-PTA6/B2 | 2.38mm (0.09”) | 38 - 71cSt | 30s - 300s | |
|
| B3: 3.17mm (0.12”) | RL-A-FC-PTA6/B3 | 3.17mm (0.12”) | 38 - 147cSt | 30s - 300s | |
|
| B4: 3.97mm (0.16”) | RL-A-FC-PTA6/B4 | 3.97mm (0.16”) | 71 - 455cSt | 30s - 300s | |
|
| B5: 4.76mm (0.19”) | RL-A-FC-PTA6/B5 | 4.76mm (0.19”) | 299 - 781cSt | 30s - 300s | |
|
| B6: 7.14mm (0.28”) | RL-A-FC-PTA6/B6 | 7.14mm (0.28”) | 781 - 1650cSt | 30s - 300s | |
Downloads
Datasheets & Manuals
Application Notes & White Papers
Answers to common questions about our instruments and measurements
What glossmeter do I need?
Identify the surface that you wish to measure. Is it a flat surface? If so, it can be measured with a traditonal glossmeter. Curved surfaces
What is RSpec?
RSpec is the peak reflectance measured over a very narrow angular band in the specular direction (+/-) 0.0991º. RSpec is very sensitive to any texture
