Posts by Technical Editor

Biodegradable or biolubricants are made from vegetable oils (rapeseed oil) or synthetic oils (synthetic esters) that are quickly decomposed by living organisms and are less toxic for people and aquatic…

Define: Viscosity: viscosity is the measure of internal resistance to motion of a fluid due to cohesion between its own molecules. Absolute viscosity: absolute viscosity, eta is defined as the…

The applications of bio-degradable lubricants are as follows- Vegetable oils: They are used for Lubricants sawmill blade. Chain drive lubrication. In low to medium pressure hydraulic systems. Lightly loaded gear…

The advantages of bio-degradable lubricants are- High viscosity index: it ensures that the lubricants remain effective at high temperature by maintaining the thickness of the oil film. High flashpoint: it…

The differences between flash point and fire points are as follows- Flashpoint Fire point Flashpoint of given lubricants is defined as the lowest temperature at which the lubricant under test…

The consistency of grease is defined as the distance in tenths of millimetres that a standard cone travels through a sample of grease under test at standard condition of load…

Yoke It is a frame which gives mechanical support and protection to other parts of machines from moisture and dust. it provides a path of low reluctance for the flow…

An emulsion is a two-phase system which consists of two immiscible liquid (such as oil and water), the one being dispersed in other. Out of two liquids, one which is…

The importance of following additives Antioxidants Corrosion inhibitors Extreme pressure additives Petroleum oils are often mixed with chemicals and vegetable or animal oils improve their lubricating property. The chemicals mixed…

Petroleum lubricating oils are hydrocarbons obtained by re-fractionation of heavy oil fraction of crude petroleum oil. The lubricating oil obtained contains many impurities which are purified by – Dewaxing- oil…