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Viscosity

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Viscosity values.

DrRheology can measure and supply viscosity and rheology measurements to clients. We can also provide calculations showing how the fluid will perform in various processes (e.g. pie flow, pumping, spraying, casting ). We can provide rheology models for existing data to enable you to use the data in various calculations. Calculations can be live (e.g.in Excel or MathCAD), or as a fixed datasheet (e.g. PDF).

Some common viscosity values

Viscosity Of A Wide Range of Fluids

Fluid
cP
Pa.s
c.St
 
1
1E-3  
Hydrogen
1.E-05
Air
2.E-05
Methanol
0.5
5.E-04
Benzene
6.E-04
Acetone
3.E-04
Ethanol
1.E-03
Propanol
2.E-03
Diesel
1.3 - 4.1
Biodiesel
1.9 - 6
Petrol
3.E-04
Water
0.89
8.90E-04
Mercury
1.50E-03
Nitrobenzene
1.86E-03
Sulphuric acid
2.40E-02
Ethylene glycol
16
SAE 10 oil
100
SAE 40 oil
250
Lubricating oil
0.1
Glycerol
1
Glucose
500
Castor Oil
1000
Castor oil
0.985
Olive oil
8.10E-02
Corn syrup
1000
Molasses
2500
Honey
5000
Molten glass
15000
Mayonnaise
50000
Nylon melt
100000
Paste - caulking
100000
Peanut butter
100000
Pitch
2.3E+08
Bitumen
1.E-09
Glass
1.0E+40

 

Viscosity of Food

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Viscosity In Different Systems

CentiPoise (cp) = CentiStoke (cSt) x Density
cP
cSt
SSU
Typical liquid
Specific Gravity
1
1
31
Water
1
3.2
4
40
Milk
-
12.6
15.7
80
No. 4 fuel oil
0.82 - 0.95
16.5
20.6
100
Cream
-
34.6
43.2
200
Vegetable oil
0.91 - 0.95
88
110
500
SAE 10 oil
0.88 - 0.94
176
220
1000
Tomato Juice
-
352
440
2000
SAE 30 oil
0.88 - 0.94
820
650
5000
Glycerine
1.26
1561
1735
8000
SAE 50 oil
0.88 - 0.94
1760
2200
10,000
Honey
-
5000
6250
28,000
Mayonnaise
-
15,200
19,000
86,000
Sour cream
-
17,640
19,600
90,000
SAE 70 oil
0.88 - 0.94

(cP) centiPoise , (cSt) centiStoke , (SSU) Saybolt Second Universal .

Shear Viscosity Range of Some Recent Tests
On Our Capillary Rheometer
- try guessing the fluids being tested !
- and what problems we were solving !

 

 

 

 

 

 


 

DrRheology can supply viscosity values measured on almost any fluid or paste. We can convert the data to any standard model.

Disclaimer. When DrRheology supplies viscosity or rheology values as part of a project (calculation management or technical writing etc ), then the values and models are fully qualified. DrRheology can supply certified values where these are required for a critical process. Otherwise, values supplied as above should be verified for critical applications.

 

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