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10/8/13 What are Synthetics Lubricants

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What are Synthetic Lubricants?Engines, transmissions and other mechanical systems contain hundreds of moving parts. Though the metal surfaces of these parts lo

act ually full of microscopic peaks and valleys. When the peak of one surface touches its mating surface, it causes damage. Damage

component surface or wear. Failure prevention and wear reduction are the primary functions of lubrication.

REFINED PETROLEUM OILS

Conventional oils - t he oils most people are familiar with - are refined from crude oil. Refining is a process of physically separating ligheavy ones.

Crude oil contains millions of differentkinds of molecules. Many are similar in weight but different in structure. The refining process c

molecules, so a wide assortment of molecules is present in the finished lubricant made from crude oil stoc ks.

Some c rude oilmolecules are not beneficial to the lubrication process. For example, paraffin causes refined lubricants t o thicken and

temperatures. Molecules containing sulfur, nitrogen and other elements invite the formation of sludge and other products of lubrican

in high-temperature applications. Sludge and breakdown products significantly increase wear rates.

The assorted molecules of refined lubricants also have different shapes, making lubricant surfaces irregular at the molecular level. As

across one another during the lubrication process, these irregularities create friction, which consumes power, reduces efficiency and

wear.

"The main advantage of mineral oils is their low cost. The main limitation of mineral oils is thatthe lubricant-sized molecules have

structures ranging from the best to t he worst (in terms of wear c ontrol)." - A. Jackson, Mechanical Engineering Transact ions

SYNTHETIC LUBRICANTS

Synthetic lubricants are chemically engineered from pure chemicals rather than refined from crude oil. That gives them significant ad

oils.

Pure - The feedstocks from which synthetic lubricants are made do not contain sulfur, nitrogen or other elements that invite the for

other products of lubricant breakdown. Synthetic lubricants can be used in higher temperatures than refined lubricants without brea

resistance t o breakdown also allows them to be used longer than refined lubricants c an be used. Lubricated systems stay c leaner a

synthetic lubricants.

Synthetic lubricants differ from refined oil in three key ways: synthetics are pure, their molecular structure is uniform, and they m

work in applications in which refined oils cannot.

Uniform - The feedstoc ks from which synthetic lubricants are made feature uniform and smooth molecular structures, which ensures

lubricant layers slide across one another. Reduced friction increases energy through-put for greater fuel efficiency and power and re

for longer equipment life.

Molecular uniformity also helps synthetics resist thinning in heat and thickening in cold, which helps them protect better than refined

operating temperature range and helps ensure sec ure sealing.

"Field experience has shown that synthetics can give economic benefits when used in place of mineral oils which were working sati

fall in five general areas:

Improved energy efficiencyWider operating temperature range

Increased design ratings

Reduced maintenance

Better reliability and safer operation"

- A. Jackson, Mechanical Engineering Transactions

Designable - Many different kinds of feedstock may be used to create synthetic lubricants, allowing a synthetic to be designed for v

application. Some feedstocks are ideal for use in extremely cold environments. Others are perfect for use in extreme heat. Some are

applications in which refined lubricants pose a fire or explosion hazard. Refined oils simply do not offer the design flexibility synthetic

The design flexibility of synthetics also allows them to be tailored very specifically to t he needs of everyday applications, such as au

commercial equipment or much industrial machinery. That specific ity helps ensure long life and peak power, performance and fuel eco

lubricated syst em and long lubricant life.

I welcome the opportunity to work with you personally as your servicing AMSOIL Dealer. Use the information on this website to contact me. You

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10/8/13 What are Synthetics Lubricants

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Lube (EAL)

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Last Updated October 10, 2012

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