Properties Experimental Analysis Bio-Monograde Engine Oil: Blended Mono-Grade Engine Oil SAE 40 with Fresh Coconut Oil

Abstract

Mono-grade engine oil is the engine oil on the market and this engine oil has the lowest properties compared to multi-grade and synthetic engine oil. Mono-grade engine oil does not have viscosity index improving (VII) properties because it cannot be added polymer additive. Coconut oil is a vegetable oil produced from coconut milk that contains high fatty acids. The main objective of this study is to determine the effectiveness of fresh coconut oil being added to SAE 40 mono-grade engine oil by a different mixture composition. In this study, density, viscosity, kinematic viscosity, and viscosity index (VI) number is a measurement by using SVM 3000/G2 equipment. The engine oil used in this study is Petronas Mach 5 SAE 40 API SF mono-grade engine oil and fresh coconut oil is homemade manufactured. The results of the study show that the density and VI of the bland mono-grade engine oil increase but decrease in dynamic viscosity and kinematic viscosity concerning the percentage of fresh coconut oil mixture.