TYPES, PURPOSES AND FUNCTIONS OF LUBRICANTS AND CONSERVATIONS. PART 1.

Dust, dirt, water, silicon dioxide, etc. often get into manufacturing facilities and processing rooms, they usually settle on equipment and tools, leading to pollution, corrosion and breakdowns.

Often, all these pollutants, as well as oil residues, contain pathogens and harmful bacteria, and in the long run can harm the health of workers. Accordingly, a clear understanding of the chemical properties and composition of equipment for cleaning and preserving equipment is one of the necessary points in choosing the right product.

Caring about our partners and customers, we have prepared a series of information blocks about different groups of lubricants, their chemical composition and properties.

All lubricants: corrosion inhibitors (anti-corrosion agents), as well as means of protection and preservation of molds and equipment, depending on their purpose, form and composition can be divided into several groups:

• those that improve the viscosity index;

• rust and corrosion inhibitors;

• anti-wear equipment;

• cleaning products;

• dispersants, etc.

These additives reduce or eliminate internal rust and corrosion by neutralizing acids and forming a chemical protective barrier to repel moisture from surfaces. 

Viscosity Index Improvers

Viscosity index improvers are very large polymer additives that partially prevent the oil from thinning out (losing viscosity) as the temperature increases.  These additives are used extensively when blending multi-grade engine oils.

They are also responsible for better oil flow at low temperatures, resulting in reduction in wear and improved fuel economy.  In addition, VI improvers are used to achieve high-VI hydraulic and gear oils for improved start-up and lubrication at low temperatures.

The viscosity of the oil temporarily drops within the load zone and then rebounds to its normal viscosity after it leaves the load zone.  This characteristic actually aids in the reduction of fuel consumption.

Rust and Corrosion Inhibitors

These additives reduce or eliminate internal rust and corrosion by neutralizing acids and forming a chemical protective barrier to repel moisture from metal surfaces. 

Some of these inhibitors are specific to protecting certain metals. Therefore, an oil may contain several corrosion inhibitors.  Again, they are common in almost every oil and grease.  Metal deactivators are another form of corrosion inhibitor.

Anti-wear (AW) Agents

These additives are typically used to protect machine parts from wear and loss of metal during boundary lubrication conditions.  They are polar additives that attach to frictional metal surfaces. 

They react chemically with the metal surfaces when metal-to-metal contact occurs in conditions of mixed and boundary lubrication. 

They are activated by the heat of contact to form a film that minimizes wear.  They also help protect the base oil from oxidation and the metal from damage by corrosive acids. 

Detergents

Detergents perform two functions.  They help to keep hot metal components free of deposits (clean) and neutralize acids that form in the oil.  Detergents are primarily used in engine oils and are alkaline or basic in nature.

 

Dispersants

Dispersants are mainly found in engine oil with detergents to help keep engines clean and free of deposits.  The main function of dispersants is to keep particles of diesel engine soot finely dispersed or suspended in the oil (less than 1 micron in size). 

Summing up, we would like to emphasize that all Ambersil products are safe, multifunctional, meet international quality standards and have appropriate certificates. They clean contaminated surfaces quickly and efficiently, and serve as corrosion protection for metal surfaces, tools, and equipment.

The article was prepared based on the sources:

1) Noria Corporation: Lubricant Additives - A Practical Guide

2) Wiki ТНТУ: Пластичні мастильні матеріали

3) Технічна енциклопедія TechTrend: Імбіговані мастила  
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