Milesyn Mineral Based Motor Oil 10W40 Sn 55 gal drums are formulated using high quality base oils and additive packages for use in gasoline fueled engines. These oils are formulated for excellent wear protection and resist viscosity and thermal breakdown. They are designed to exceed the latest SN/GF-5 standards. Applications: 10W-30 and 10w40 are recommended in gasoline fueled automobiles and light duty trucks requiring an API SN fluid. These oils meet or exceed the requirements of ILSAC (Starburst Certification Symbol). 20W-50 is recommended for use in high performance engines found in race and rally driving. It has a higher viscosity that provides engines with full protection under higher operating speeds temperatures and other adverse conditions. Typical Properties:SAE Grade 10W-40 Viscosity cSt @ 100°C 15.65 Viscosity CCS cP @ 6500 (-25) Viscosity cSt @ 40°C 109.10 Viscosity Index 152 Pour Point °C -40 Zinc Wt. (%) 0.085 Phosphorous Wt. (%) 0.075 Calcium Wt. (%) 0.200 NOACK Wt. (%) 14.5 Density 7.26 API Service SN SM SL X