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

BASE OIL

Base oil represents the foundation of each lubricant and it’s price mentioning that its type determines the general performance of the grease in question. Three predominant types of base oils are mineral, artificial, and vegetable oils. Synthetic oils are considered to supply the most effective results in terms of protection, performance, temperature and climate resistance, followed by good shear stability.

ADDITIVES

Additives are used to reinforce the options and qualities of each grease and enhance 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. 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 general efficiency of each grease. Types of thickeners which are commonly used are easy and sophisticated soaps, which are based on lithium, calcium, aluminium, sodium, and barium compounds. In addition, sure non-soap thickeners, comparable to those primarily based on clay and polyurea, can be utilized to present 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 selected NLGI number that goes from 000 to 6. These NLGI grades are then used to specific the level of consistency every grease has. So, as an illustration, 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 normal, NLGI 3 grease is firm, while NLGI 6 grease is defined as very hard.

VISCOSITY

Grease viscosity determines its ability to remain stable and offer effective protection towards 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 possibly can see, the type of grease you decide to use 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, maintain 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 right grease for you is the one which meets (and surpasses) all of the requirements you have.

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