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AW additives, or antiwear additives, are additives for lubricants to prevent metal-to-metal contact between parts of gears. [1] EP additives are used in applications ...
A hydraulic tappet, also known as a hydraulic valve lifter or hydraulic lash adjuster, is a device for maintaining zero valve clearance in an internal combustion engine. Conventional solid valve lifters require regular adjusting to maintain a small clearance between the valve and its rocker or cam follower .
Game cartridges for the Nintendo Switch are coated with denatonium as a safety feature to deter small children from ingesting them. [ 2 ] [ 3 ] [ 4 ] Some button cell batteries manufactured by Duracell are coated with a bitterant to discourage accidental ingestion by children.
Denatonium, usually available as denatonium benzoate (under trade names such as Denatrol, BITTERANT-b, BITTER+PLUS, Bitrex, Bitrix, and Aversion) and as denatonium saccharinate (BITTERANT-s), is the most bitter chemical compound known, with bitterness thresholds of 0.05 ppm for the benzoate and 0.01 ppm for the saccharinate. [1]
The additive’s exothermic decomposition leads to successive fuel reactions that result in the start of the combustion at low temperature. [2] Effects of Cetane Improver on Ignition Delay. The effect of the additive varies with the fuel type, which itself depends on the quality of the crude oil [3] and the way it is refined.
Organo-molybdenum compounds, were initially developed as antiwear additives but were later recognized to be very effective in reducing boundary friction. [3] They are currently used in many engine oils and, more recently, in gear oils. [1] They reduce friction by forming two-dimensional molybdenum disulphide layers on rubbing surfaces. [4]
STP is an American brand of automotive aftermarket products, especially lubricants such as motor oil and motor oil additives. The name began as an abbreviation of Scientifically Treated Petroleum. The brand has been owned by Energizer Holdings since November 2018. [1]
Oil additives are chemical compounds that improve the lubricant performance of base oil (or oil "base stock"). The manufacturer of many oils can use the same base stock for each formulation and can choose different additives for each use. Additives comprise up to 5% by weight of some oils. [1]
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