Synthetic basestocks for greases

A stack of metal gears with a bucket of white grease in the background and greae spread over the gears

ExxonMobil Chemical synthetic basestocks are chosen by grease formulators supplying a variety of industrial users, including automotive, marine and aerospace companies.

Our polyalphaolefin basestocks, SpectraSyn™ PAO, SpectraSyn Plus™ Advanced PAO and SpectraSyn Ultra™ High VI PAO, used alone or in combination with Esterex™ esters or Synesstic™ AN (Alkylated Naphthalene) Blendstocks, lubricate over a broad temperature range. They also offer lubrication protection for components operating under severe conditions, and provide energy efficiency features.

Synesstic AN, when used in combination with PAO, supplies the resulting grease with good low-temperature dispensability, high-temperature adhesive properties and rust-inhibiting properties. Additionally, use of Synesstic AN reduces the amount of thickener required, supports additive solubility through their increased polarity and provides hydrolytic stability.

Esterex esters are suitable for use in low- and high-temperature applications and also where biodegradability may be required. In combination with PAO, they support additive solubility by providing increased polarity.

See our Synthetic Basestocks Formulations Guide for specific basestock recommendations for greases.