Polymer and plastic manufacturers recognize that there’s a Sonneborn solution for them across a very broad line of products with the ability to custom formulate. These highly refined, low-volatility white mineral oils are saturated, colorless, aliphatic hydrocarbons that are chemically inert, with excellent UV stability.
Sonneborn polymer and process white oils are added to plastics such as crystalline polystyrene (PS), high-impact polystyrene (HIPS), polyolefins, thermoplastic elastomers (TPE), and various other polymers to improve and control the melt flow rate of the finished polymer. These products are also employed as internal lubricants and/or external lubricants in numerous polymer formulations.
Polymer and Process White Oils Products
Hydrobrite™ 200 PO
Employed as internal and/or external lubricant in numerous polymer formulations.
Hydrobrite™ 380 EU
Our high viscosity, high purity, colorless and odorless white mineral oil.
Hydrobrite™ 550 EU
Our high viscosity, high purity, colorless and odorless white mineral oil.
Hydrobrite™ HV
Ultra-high viscosity white mineral oil; excellent for food grade lubricant formulations.
Why Sonneborn?
With world-class expertise, exceptional service, flexible manufacturing capabilities and state-of-the-art production, you've got a confident, capable partner on your side.
See What Makes Us Different
Interested in our line of products? Request a Sample
Trademarks are owned or used under license. ©2026 Sonneborn LLC, all rights reserved.