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Fuel and Lubricant Solutions

Esters

Synative® Ester Base Stocks

The use of synthetic esters in lubricants has been increasing during recent years. Their good lubricating properties, thermal and oxidative stability, solvency for additives coupled with biodegradability / low volatility / environmental profile has seen their use in many different application areas from engine oils to hydraulic oils and metalworking fluids.

BASF offers a wide range of synthetic esters manufactured from sustainable and petrochemical raw materials. These high-quality esters are promoted under the Synative® brand and offer the formulator a broad pallet of properties to work with. The range includes standard viscosity esters acting as the base fluids but also high-viscosity, shear stable esters that can be used to achieve the desired viscosity grade finished lubricant with superior performance (energy efficiency, long drain intervals, improved equipment protection etc).

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Synative® ES

At a Glance

Ester base stocks have unique tailored molecular structure to achieve desired performance for target application

Esters can offer a variety of performance advantages over mineral oil and other synthetic base stocks

BASF offers a broad portfolio of ester base stocks delivering excellent technical performance in a wide range of automotive and industrial applications
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Typical Applications

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Key Features & Benefits

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Ester Portfolio

 

 

Mono Esters

These esters are based on fatty acids derived from natural and sustainable oleochemicals. The products have good lubricating properties and exhibit hydrolytic stability. They are easy to emulsify. Applications include metalworking fluids and hydraulic oils.

Methyl Esters

These esters are based on fatty acids derived from natural and sustainable oleochemicals. The products have good lubricating, thermal and solvent properties. Applications include metalworking fluids and aluminum rolling oils.

Key Applications

Methyl Esters:
  • Metalworking fluids

Mono Esters:

  • 2-stroke engine oils
  • Hydraulic fluids
  • Metalworking fluids
  • Greases

Key Performance Benefits

  • Low viscosity esters with good solvency
  • Exceptional low pour point
  • Good lubricity properties and hydrolytic stability
  • Good thermal and oxidative stability
  • Very good biodegradability
  • Easy to emulsify

 

 

Diesters

The products have excellent lubricating properties, good thermal / oxidative stability and a low-temperature behaviour. They are used as base oils but can also be used for their co-solvency property for additives and also to achieve desired seal performance in synthetic lubricants formulated with Gp III, GTL and PAO base stocks. Applications include automotive transmission and axle oils, hydraulic oils, metalworking fluids and greases.

Key Applications

  • Engine oils: 2- and 4-stroke
  • Transmission and axle oils
  • Compressor lubricants
  • Industrial gear oils
  • Hydraulic fluids
  • Greases
  • Metalworking fluids

Key Performance Benefits

  • Superior friction characteristics
  • Superior low-temperature performance
  • Low volatility and high flash point
  • Excellent oxidative and thermal stability
  • Exceptional solvency and cleanliness
  • Biodegradability

 

 

Saturated polyol and complex esters

The saturated polyol and complex ester Synative® range is based on fatty acids derived from natural and petrochemical raw materials. Typically, a mixture of raw materials is used to in the synthesis to make esters giving the desired performance tailored to specific customer needs and technical requirements for the specific application. The products are designed to allow the formulator a range of viscosity options, with a range from 13cst to up to 1200cst at 40C. Saturated polyol and complex esters have excellent lubricating properties, good to excellent thermal and oxidative stability, hydrolytic stability, shear stability and good low-temperature behavior. Polyol esters are the state-of-the-art technology in most demanding application such as aviation turbine lubricants requiring excellent thermal and oxidative stability, very good high temperature stability and high flash points. Dedicated esters with outstanding electrical insulation properties and optimum compatibility with new generation refrigerants are well established base oils for refrigeration lubricants compatible with HFC/HFO refrigerants.

Key Applications

  • Aviation turbine oils
  • Stationary turbine oils
  • Refrigeration lubricants
  • Bio hydraulic oils
  • Compressor oils
  • Industrial gear oils
  • Aviation greases
  • Engine oils
  • Food grade lubricants
  • Chain lubricants
  • Metalworking fluids

Key Performance Benefits

  • Best in class thermal and oxidative stability
  • Clean operations: do not form residues /coke
  • Excellent solvency
  • Very good lubricity and low volatility
  • Good hydrolytic stability
  • Good low-temperature properties
  • Biodegradable, renewable and low toxic

 

 

Unsaturated polyol and complex esters

The unsaturated polyol and complex ester Synative® range is based on fatty acids derived mainly from renewable raw materials. Typically, a mixture of raw materials is used to in the synthesis to make esters giving the desired performance tailored to specific customer needs and technical requirements for the specific application. The products are designed to allow the formulator a range of viscosity options, with a range from 46cst to up to 1000cst at 40C. Unsaturated polyol and complex esters have superior lubrication characteristics, excellent solvency, good thermal, oxidative and hydrolytic stability, are readily biodegradable and provide high renewable content of up to 90%. This profile makes unsaturated polyol and complex esters a perfect choice for many applications including biolubricants, food grade lubricants and metalworking fluids.

Key Applications

  • Bio hydraulic oils
  • Industrial gear oils
  • Food grade lubricants
  • Metalworking fluids
  • Greases

Key Performance Benefits

  • Superior lubrication performance
  • Excellent solvency
  • Good low-temperature performance
  • Good thermal, oxidative and hydrolytic stability
  • Low volatility and high flash points
  • Biodegradable, renewable and low toxic
  • Broad range of available viscosities