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Group II Thermal Stability Test

BENZ OIL’s New and Improved Petraulic Hydraulic Fluids incorporate GROUP II Base Stocks that are refined using catalytic isomerization. You can see the purity, but more importantly, Benz Petraulic Hydraulic Fluids can yield DOUBLE THE LIFE of conventional hydraulic oils. Group II oils are light colored because they contain low levels of unsaturated compounds and sulfur. These compounds are a weak link in the oxidation process while sulfur actually can catalyze hydrocarbon oxidation. Removal of these compounds through catalytic isomerization and hydrogenation yields an oil with superior oxidation stability. Superior stability means less down time, less waste, better equipment reliability and better overall value.

THERMAL STABILITY TEST
275°F, 168 Hours, No catalyst

Benz Petraulic
Conventional Hydraulic Oil

 

Property Benz Petraulic Conventional Hydraulic Oil
Base Stock Group II Group I
Viscosity @ 40°C 43.5 43.6
Total acid number 0.4 1.4
Sulfur, % wt 0.07 0.74

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