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Afton 101 - Performance Grease Formulating

Grease Formulating 101

Grease makes the world go round, but how does it work? Afton Chemical is an industry leading supplier in performance additive and component technology for manufacturing greases.  They have answered some of the industry’s most asked questions about grease and their technical formulation. Learn how their HiTEC® Products can help make a full suite of economic or premium grade greases below.  View the Afton Grease Additives & Components►

What is a Grease? 

Grease is used in many facets of everyday life, but what is used to make it?  Performance greases can vary drastically, with complex combinations of additives and various base oils, but at the heart of it grease can be broken down into three basic components — a Base Oil, a Thickener and Performance Additives.

What Does Grease Do, and Why Use a Grease? 

There are many different types of lubricant technology available, but when should you use a grease vs. an oil? Greases provide a unique combination of properties including:
  • Reducing friction & wear between moving parts
  • Protecting surfaces from rust & corrosion
  • Repels & prevents moisture ingression
  • Maintains structural consistency or “stay-in-place” performance
  • Provides a seal to prevent oil leakage or contamination from the environment
  • Protects & lubricates over a wide range of operating temperatures & speeds

What type of Base Oils are Used & How do they Affect Performance?

Base oil selection for a grease is integral to the final performance. Base oils alter the consistency of the grease and are the carrier for any performance additives desired in formulation.The two largest factors to base oil selection are chemistry and viscosity. The end application will determine the type of base oil & the correct amount to use.
The viscosity of the base oil will not have a large impact on the final consistency of the finished grease.The amount of base oil used however, can alter the “softness” of the finished lubricant.

What type of Thickeners are Used in Grease?

There are two main categories of thickeners for grease formulation: Soap Thickeners and Non-soap Thickeners.A brief breakdown on type of thickeners and their benefits is listed below as a reference.

What types of Grease Additives are there — how do they work? 

There are countless additive technologies in the market that allow for formulating economic to premium grade performance greases.These additives can be broken down into soluble and solid additives and enhance specific properties that are desired in the final grease formula.

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