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When it comes to purchasing the appropriate type of grease to your individual application requirements, it’s greatest to take several factors into consideration previous to making a ultimate decision.


Base oil represents the inspiration of each lubricant and it’s value mentioning that its type determines the general performance of the grease in question. Three primary types of base oils are mineral, synthetic, and vegetable oils. Synthetic oils are considered to supply one of the best results when it comes to protection, performance, temperature and climate resistance, followed by good shear stability.


Additives are used to reinforce the features and qualities of each grease and boost its performance. The most common additives are excessive pressure additives, oxidation, rust, and corrosion inhibitors, polymers used to increase adhesiveness, insoluble solids, and additives that provide elevated wear and tear protection. Also, certain dyes and pigments are added to every grease.


Thickeners are used to enable all grease components to bond higher, which will increase the overall effectivity of every grease. Types of thickeners which are commonly used are simple and complicated soaps, which are primarily based on lithium, calcium, aluminium, sodium, and barium compounds. In addition, certain non-cleaning soap thickeners, reminiscent of those primarily based on clay and polyurea, can be utilized to offer the grease its consistency.


Consistency is a property defined by the National Lubricating Grease Institute (NLGI) used to find out the level of softness or hardness of each grease. Each grease is assigned a selected NLGI number that goes from 000 to 6. These NLGI grades are then used to specific the level of consistency each grease has. So, for instance, NLGI grade 000 grease is totally fluid, NLGI grade zero grease is described as very soft, NLGI 1 grease is soft, NLGI 2 grease is considered normal, NLGI 3 grease is firm, while NLGI 6 grease is defined as very hard.


Grease viscosity determines its ability to stay stable and provide efficient protection against friction. Higher viscosity provides better stability when grease is exposed to heavy, sluggish loads, while lower viscosity is right for high-speed applications.


As you may see, the type of grease you determine to make use of issues a lot.

Each lubricant has a special set of traits that determine its consistency, viscosity, ability to forestall friction, reduce wear and tear, protect in opposition to rust, corrosion, and oxidation, maintain mobility, and stop water and other contaminants from coming into contact with the equipment.

Take all these factors into consideration before making a purchase and bear in mind – the correct grease for you is the one which meets (and surpasses) all of the requirements you have.

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