Pengaruh Penambahan Nanoselulosa Dan Surfaktan Span 60 Terhadap Viskositas Da…

ABSTACK Lubrication is an attempt to reduce friction between two adjacent surfaces. Lubricants are usually petroleum-based, which are non-renewable and difficult to biodegrade. Alternatively, vegetable oils such as palm oil can be used as they are a renewable energy source. However, pure palm oil has a low oxidation stability so it cannot be directly used as a lubricant. Oxidation stabilit…