DETERMINATION METHOD Water content ASTM D95-13 (2018) Free alkalis and organic acids ASTM D128-98 (2019) Dropping point ASTM D566-2020 Cone Penetration depth at 250 ºC ASTM D217-21a Tribological characteristic Load-wear index ASTM D2596-20 / ASTM D 2266-01 (2015) Weld point Last nonseizure load Diameter of the Wear Spot