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

BASE OIL

Base oil represents the muse of each lubricant and it’s price mentioning that its type determines the overall performance of the grease in question. Three foremost types of base oils are mineral, artificial, and vegetable oils. Artificial oils are considered to supply the perfect results in terms of protection, performance, temperature and weather resistance, adopted by good shear stability.

ADDITIVES

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

THICKENER

Thickeners are used to enable all grease parts to bond higher, which will increase the general effectivity of every grease. Types of thickeners which might be commonly used are simple and complex soaps, which are primarily based on lithium, calcium, aluminium, sodium, and barium compounds. In addition, certain non-cleaning soap thickeners, comparable to those based mostly on clay and polyurea, can be used to present the grease its consistency.

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. Every grease is assigned a selected NLGI number that goes from 000 to 6. These NLGI grades are then used to precise the level of consistency each grease has. So, for instance, NLGI grade 000 grease is totally fluid, NLGI grade 0 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 stay stable and provide efficient protection against friction. Higher viscosity provides higher stability when grease is exposed to heavy, slow loads, while lower viscosity is right for high-speed applications.

TO SUM UP

As you’ll be able to see, the type of grease you resolve to make use of issues a lot.

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

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

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