Oil-soluble base fluids such as UCON™ OSP Base Fluids offer the historical advantages of PAG-based synthetic lubricant technology without past compatibility limitations with hydrocarbon oils. Available in five viscosity grades, UCON™ OSP Base Fluids can be used as primary base oils, co-base oils and as additives in automotive and industrial lubricant formulations.

The table below lists the typical viscosity† to help you select which base stock will meet your needs.

Product Description Typical Viscosity 40°C, cSt
UCON™ OSP-32 Base stock 32
UCON™ OSP-46 Base stock 46
UCON™ OSP-68 Base stock 68
UCON™ OSP-150 Base stock 150
UCON™ OSP-220 Base stock 220
UCON™ OSP-320 Base stock 320
UCON™ OSP-460 Base stock 460
UCON™ OSP-680 Base stock 680

To learn more about OSPs, download our brochure.

View our 2011 STLE OSP Presentations


Typical properties, not to be construed as specifications.


®™* Trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow