motor540 castor986 glycerin 1490 pancake2500 maple3200 treacle 20000 peanut250000 window100000000 Poise symbol P Named after the French physician Jean Louis Marie Poiseuille 1799150 1869 ID: 399198
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motor540 castor986 glycerin 1490 pancake2500 maple3200 treacle 20,000 peanut250,000 window100,000,000 Some typical viscosities (cP at 20°C) Poise (symbol: P) Named after the French physician Jean Louis Marie Poiseuille (1799– 1869), this is the cgs unit of viscosity, equivalent to dyne-second per square centimetre . It is the viscosity of a uid in which a tangential force of 1 dyne poiseuille is 10 poise or 1000 cP, while mPa·s (one millipascal-second). Dynamic viscosity symbol centipoise 1kgf·s –2 9 1pdl·s –2 1 1lb Kinematic viscosity symbol centistokes 1cm 2 –1 100 1m 2 –1 1 1ft 2 –1 92 a Saybolt Universal viscometer at a Kinematic viscosity speci ed temperature, as prescribed by test method ASTM D 88. For higher viscosities, SSF (Saybolt Seconds Furol) is used. “Furol” comes from “fuel and road oil”. Degree Engler This is the ratio of the time of ow of 200ml of uid to the time of ow of ml of water at the same temperature in a standardized Engler viscosity meter. Dynamic viscosity