ASTM D4172 (Four Ball Friction Test) is the SAE engineer-trusted standard measurement of friction reduction. Petro Lubricant Labs of Lafayette, NJ tested Shell Rotella T 15W40 without and with NMF. NMF reduced friction by 36% and wear by 22%.
Hometown Testing — We offer an opportunity to have NMF tested independently in your town under your oversight. Click here for details.
Free ASTM Testing — If NMF does not improve the wear resistance performance of your own oil by at least 15% on ASTM D4172 (overview linked here) we will reimburse your laboratory costs.
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