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

BASE OIL

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

ADDITIVES

Additives are used to reinforce the options and qualities of every grease and increase its performance. The commonest additives are excessive pressure additives, oxidation, rust, and corrosion inhibitors, polymers used to increase adhesiveness, insoluble solids, and additives that provide increased wear and tear protection. Additionally, sure dyes and pigments are added to each grease.

THICKENER

Thickeners are used to enable all grease elements to bond higher, which will increase the overall effectivity of each grease. Types of thickeners which might be commonly used are simple and complicated soaps, which are based mostly on lithium, calcium, aluminium, sodium, and barium compounds. In addition, certain non-soap thickeners, similar to those based mostly on clay and polyurea, can be utilized to provide the grease its consistency.

CONSISTENCY

Consistency is a property defined by the National Lubricating Grease Institute (NLGI) used to determine the level of softness or hardness of each grease. Each grease is assigned a particular NLGI number that goes from 000 to 6. These NLGI grades are then used to precise the level of consistency each grease has. So, as an example, NLGI grade 000 grease is completely fluid, NLGI grade zero grease is described as very soft, NLGI 1 grease is soft, NLGI 2 grease is considered regular, NLGI 3 grease is firm, while NLGI 6 grease is defined as very hard.

VISCOSITY

Grease viscosity determines its ability to remain stable and provide efficient protection in opposition to friction. Higher viscosity provides larger stability when grease is uncovered to heavy, slow loads, while lower viscosity is right for high-speed applications.

TO SUM UP

As you can see, the type of grease you resolve to make use of matters a lot.

Each lubricant has a unique set of traits that decide its consistency, viscosity, ability to prevent friction, reduce wear and tear, protect towards rust, corrosion, and oxidation, preserve mobility, and stop water and different contaminants from coming into contact with the equipment.

Take all these factors into consideration earlier than making a purchase and remember – the precise grease for you is the one which meets (and surpasses) all of the requirements you have.

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