When it comes to purchasing the precise type of grease for your particular person application requirements, it’s greatest to take several factors into consideration previous to making a last decision.
BASE OIL
Base oil represents the foundation of every lubricant and it’s value mentioning that its type determines the general performance of the grease in question. Three principal types of base oils are mineral, artificial, and vegetable oils. Synthetic oils are considered to supply the most effective outcomes 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 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 elevated wear and tear protection. Also, 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 might be commonly used are easy and complex soaps, which are based mostly on lithium, calcium, aluminium, sodium, and barium compounds. In addition, sure non-cleaning soap thickeners, similar to these primarily based 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 find out the level of softness or hardness of every grease. Every grease is assigned a specific NLGI number that goes from 000 to 6. These NLGI grades are then used to precise the level of consistency every grease has. So, for example, NLGI grade 000 grease is completely fluid, NLGI grade 0 grease is described as very soft, NLGI 1 grease is soft, NLGI 2 grease is considered regular, NLGI three grease is firm, while NLGI 6 grease is defined as very hard.
VISCOSITY
Grease viscosity determines its ability to stay stable and offer effective protection towards friction. Higher viscosity provides better stability when grease is exposed to heavy, sluggish loads, while lower viscosity is right for high-speed applications.
TO SUM UP
As you may see, the type of grease you determine to use matters a lot.
Each lubricant has a different set of traits that decide its consistency, viscosity, ability to forestall friction, reduce wear and tear, protect towards rust, corrosion, and oxidation, keep mobility, and stop water and different contaminants from coming into contact with the equipment.
Take all these factors into consideration before making a purchase and keep in mind – the precise grease for you is the one that meets (and surpasses) all of the requirements you have.
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