- Principal:ExxonMobil Chemical
PureSynâ„¢ 4 and Ester are unique classes of premium fluids whose features set them apart from other fluids such as silicones, mineral oils, petrolatum and polybutene.PureSynâ„¢ 4 is a bright and clear, high purity, fluids that can be characterized as non-comedogenic and non-irritating. PureSynâ„¢ 4 is exceptionally stable in high and low pH systems.