16 hours with playability that you liked. Not bad at all.
In those 16 hours did it perform a lot better than synthetic strings you used in the past? If so I would stick with RPM Blast.
Wilson PS (2014) 90 - Wilson Pro Overgrip - 12.8 ounces
Wilson Gut 16 / Luxilon ALU Power Rough 16L 50/47 pounds