20 Terms
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Industrial lubricants
Industry: Industrial machinery
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Industrial lubricants
Hypoid gear lubricant
Industrial machinery; Industrial lubricants
A gear lubricant having extreme pressure characteristics for use with a hypoid type of gear as in the differential of an automobile.
Hydrostatic lubrication
Industrial machinery; Industrial lubricants
A system of lubrication in which the lubricant is supplied under sufficient external pressure to separate the opposing surfaces by a fluid film.
Hydrometer
Industrial machinery; Industrial lubricants
An instrument for determining either the specific gravity of a liquid or the API gravity.
Hydrolytic stability
Industrial machinery; Industrial lubricants
Ability of additives and certain synthetic lubricants to resist chemical decomposition (hydrolysis) in the presence of water.
Hydrolysis
Industrial machinery; Industrial lubricants
Breakdown process that occurs in anhydrous hydraulic fluids as a result of heat, water, and metal catalysts (iron, steel, copper, etc. )
Hydrogenation
Industrial machinery; Industrial lubricants
In refining, the chemical addition of hydrogen to a hydrocarbon in the presence of a catalyst; a severe form of hydrogen treating. Hydrogenation may be either destructive or non-destructive. In the ...
Hydrofinishing
Industrial machinery; Industrial lubricants
A process for treating raw extracted base stocks with hydrogen to saturate them for improved stability.
