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topic 49716

Temperature vs Viscosity chart

August 18, 2008

I would like to know temperature vs Viscosity chart. Here in our region atm temperature varies from 15°C to 45°C. please provide us the comparison chart.

Ganesh Chadaram
Paint shop employee - Pune, India

August 19, 2008

I would obtain some motor oil, place it in a fridge. when cooled take its temp and viscosity. Repeat as oil warms up(or is physically heated). This way you would make your own chart.

Terry Hickling
Birmingham, United Kingdom

August 20, 2008

The original post does not specify what the material is--oil,water, paint or how he proposes to use that information IE: how is he going to verify the dilutions or ?

James Watts
- Navarre, Florida

August 21, 2008

Conversion from one viscosity scale to another is essentially independent of the identity of the liquid.

But the effect of temperature on viscosity is extremely dependent on the identity of the liquid. Two different liquids with the same viscosity as each other at one particular temperature, may well have viscosities that are different from each other at some other temperature.

The thing to do is simply apply the principle that Terry suggests, except that you must use whatever is the particular liquid whose temperature-dependence you wish to know.

Bill Reynolds
Bill Reynolds
   consultant metallurgist
Ballarat, Victoria, Australia

We sadly relate the news that Bill passed away on Jan. 29, 2010.

August 23, 2008

Dear James,
Sorry for writing a great deal slower than you can read - maybe it's due to the fact that I write much faster than I am able to think.

Terry Hickling
Birmingham, United Kingdom

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