Neopentyl Glycol Mixed Esters
Neopentyl Glycol Mixed Esters are synthetic polyol esters.
The use of mixed acids allows properties such as viscosity, low-temperature fluidity, volatility, lubricity and hydrolytic stability to be balanced for the intended application. These materials are primarily used as synthetic base fluids or functional components in industrial lubricant and metalworking formulations.
Their polar ester structure provides good surface affinity and lubricating performance, while the compact, branched structure of neopentyl glycol can support thermal, oxidative and hydrolytic stability in appropriately formulated systems.
Product Information
Chemical family: Neopentyl glycol polyol esters
Chemical description: Esters of neopentyl glycol and a mixture of carboxylic acids
Type: Synthetic ester base fluid / lubricity component
Ionic character: Non-ionic
Appearance: Liquid; colour and viscosity depend on the selected grade and specification
Solubility: Generally oil-soluble and not readily soluble in water
Packaging: Drums / IBC / Bulk
Main functions
Synthetic lubricant base fluid
Provides a lubricating fluid foundation for industrial and speciality lubricant formulations
Lubricity
Strong surface attraction helps reduce friction and improve lubrication between moving surfaces
Low-temperature performance
Selected mixed-acid compositions can provide good fluidity at reduced temperatures
Low volatility
Can help reduce evaporative losses and lubricant consumption in suitable operating conditions
Thermal and oxidative performance
Neopentyl polyol ester chemistry can provide good stability under demanding operating conditions
Solvency and additive compatibility
Polar ester groups can assist with the dissolution and dispersion of lubricant additives and deposits
Viscosity modification
Can be used to adjust the viscosity and flow characteristics of formulated lubricants

Typical Uses by Industry
Industrial Lubricants
Used as a synthetic base fluid or co-base fluid in general-purpose and speciality industrial lubricants
Supports lubricity, low volatility and operation across a broad temperature range
Can be blended with other ester fluids, mineral oils or selected synthetic base stocks, subject to compatibility testing
Metalworking Fluids
Used as a lubricity component in cutting, forming, rolling and other metalworking formulations
Helps reduce friction between the workpiece and tooling
Can contribute to surface finish and processing performance in suitable formulations
Compressor & Process Lubricants
Can be used in compressor and process-fluid formulations where low volatility and good lubricating performance are required
Specific suitability depends on the ester composition, refrigerant or process gas, operating temperature and equipment requirements
Hydraulic & Circulating Fluids
Can be incorporated into synthetic hydraulic and circulating-oil formulations
Provides lubricity and supports low-temperature fluidity
The finished formulation must be assessed for seal compatibility, hydrolytic stability and system requirements
High-Temperature Lubricants
Selected grades may be used in chain oils and other elevated-temperature lubricant applications
Can help reduce evaporation and support cleaner operation compared with more volatile base fluids
Performance at elevated temperatures depends on the acid composition, additive package and operating conditions

