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Viscosity describes a fluid's resistance to flow. The thicker the fluid, the slower it flows and the higher its viscosity. The viscosity of a lubricant such as oil affects how it reduces friction and transfers heat. More »

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A motor oil chart is a chart that displays and ranks the various grades of motor oil viscosity. Viscosity is determined by measuring the time it takes for a standard amount of oil to flow through a standard orifice, at s... More »

The weight of an oil represents its viscosity, which is a description of the thickness of the oil. Viscosity is typically measured as the standard time it takes the fluid to run through a standard size orifice at a speci... More »

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The different specifications of oil, or viscosity, refer to the resistance of the oil to flow, and the higher the number, the slower the oil flows. Motor oil comes in two main types, SAE or winter grades, which have the ... More »

Viscosity is the resistance to flow, so higher viscosity fluids flow more slowly at a given level of force pushing them along. Viscosity has internal friction of fluids, which causes the fluids to appear thicker when flo... More »

Viscosity is a term used to describe the measure of a fluids resistance to flow. The internal friction of a fluid in motion and it's unofficial "thickness" can also be described in terms of the viscosity of a particular ... More »

Some specs for Polaris PS-4 engine oil include a viscosity grade of 5W-50 and container sizes ranging from a 1-gallon container to a 55-gallon drum. The 5W-50 viscosity grade means the oil works in temperatures between m... More »

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