What is consistency and drop of grease

The consistency of grease is defined as the distance in tenths of millimetres that a standard cone travels through a sample of grease under test at standard condition of load (150g) temperature (250C) and time (5 seconds).

Drop point of grease is defined as the temperature at which grease passes from semi-solid to a liquid state.

Properties of liquid lubricants

The properties of liquid lubricants can be classified as physical and chemical properties. Flash and fire point, viscosity and viscosity index, aniline point, cloud and pour point, stream emulsification number are physical properties whereas neutralization number, saponification value, iodine number, carbon residue are chemical properties of liquid lubricants.

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