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  1. Home
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  4. Priolube 3997 in Gears

Priolube 3997 Provides Outstanding Oxidative Stability & Viscosity Index Boost


The Challenge

Industry Application Area - Gears

The Croda chemistry portfolio boasts a high performing viscosity index improver (VII) for use in a wide range of applications. A customer approached Croda with interest in a VII, but with enhanced oxidative stability for use in their gear system. 


In such a high temperature and high stress application, enhanced oxidative stability is vital. It allows the oil to resist deposit formation and uphold optimum oil viscosity, thus maintaining gear cleanliness and prolonging service intervals – offering more of a “fill for life” proposition.

 

The customer also required properties typical in gear oil applications including suitable compatibility with other ingredients and good shear stability. The enhancements would enable the customer to meet stringent performance targets and there were also tight time constraints surrounding getting the formulation exactly right. 

Approach 

 

A truly cross-functional approach was applied to the challenge. Our in-house synthetic chemistry expertise allowed for the development of a novel molecule. Our Applications team were then able to demonstrate dramatic improvements in oxidative stability using the Anton Paar RapidOxy 100 equipment. More than a 50% increase in oxidative stability versus an antioxidant free base oil was observed. 


Anton Paar Official Website

Rapidoxy 100 Oxidation Stability Tester 

We used this unique equipment from Anton Paar in our applications testing. Click below to find out more. 

Anton Paar Official Website

Result 

  

So good was the result that a completely new product was trialled, tested and launched – Priolube 3997.

 

Further “no harms” applications testing showed that even low inclusion levels of Priolube 3997 gave rise to reduced deposit formation as well as improved in-use coefficients of friction.


The tailor-made solution, together with exceptional technical expertise and service allowed the customer to deliver outstanding oxidation stability to their automotive gear oil formulation. They were able to submit for industry performance tests within a very limited timeframe. One happy customer!


For more information on Priolube 3997, please click on the link below.

 

Priolube 3997

  • Click below to find out more 

Click below to find out more 

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Priolube™ 3997

Ester

A high viscosity complex ester with excellent oxidation stability. Especially suitable for use in industrial gear oils.

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Lubricants

We are a world leading supplier of ester base oils and performance additives for lubricants. Our combination of innovative solutions and application expertise help our customers improve fuel economy, reduce emissions, extend oil drain intervals, improve durability and increase productivity to meet current and future performance needs..

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