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The poise (P) is the unit of dynamic viscosity in the centimetre gram second system of units. It is named after Jean Louis Marie Poiseuille.
- 1 P = 1 g·cm−1·s−1
The analogous unit in the International System of Units is the pascal second (Pa·s):
- 1 Pa·s = 1 kg·m−1·s−1 = 10 P
The poise is often used with the prefix centi-; a centipoise (cP) is one millipascal second (mPa·s) in SI units.
Water has a viscosity of 0.0089 poise at 25 °C.
Most chemicals have their viscosity measured in poises.
"Poise"