Content on this page requires a newer version of Adobe Flash Player.

Get Adobe Flash player


Group 5 Base Oils

Group 5 base oils are defined as every base oil that cannot be placed among the other 4 groups. These include Esters, poly-alkylene glycols (PAG), silicones, naphtenics and polybutanes. They generally have extremely high quality parameters as they are synthetic base oils. They are not used as base stock for formulations but as additives and/or the base stock for additives to be put in very high quality products.

Base Oils