Pembuatan Grease Dari Minyak Biji Karet: Pengaruh Campuran Lioh-Naoh Dan Rasi…

Abstract Greases were used to reduce friction between two opposite moving metal surface. The utilized base oil could be vegetable oil and mineral oil, however mineral oil is not environmental friendly. This research objectives was to produce grease from rubber seed oil and to study LiOH-NaOH mole ratio effect and base oil mass ratio effect toward produced grease characteristic. This research p…