Premium Mineral 15W-40 Everyday Engine Oil
Nulon Premium Mineral 15W-40 Everyday Engine Oil is formulated with virgin mineral base oils and high performance additives which provide optimum performance and protection to most late model engines.
Nulon Premium Mineral 15W-40 Everyday Engine Oil promotes easier cold starting, reduces wear and keeps the engine clean between the recommended oil drain intervals.
For increased performance and protection use Nulon Semi Synthetic 15W-40 Modern Everyday Engine Oil (Part No. ME15W40).
Benefits
Maintains viscosity at high temperature
Anti-wear protection to extend the life of the engine
Enhanced detergency to clean and prevent sludge formation
Contains anti-oxidants to prolong the life of the oil between drain intervals
Faster oil flow improves cold starting
Safe for catalytic converters
Suitable as a running-in oil
Each to their own, but I wouldn't use mineral oil even if you paid me….