How to Identify Different Types of Grease? Industrial
Jun 27, 2016·Greases are primarily classified by their thickeners, the most common being metallic soaps. Others include bentonite clay, silica gel, polyurea and inorganic thickeners. Soapbased greases are produced from three main ingredients. One is the fatty material (animal or vegetable), which is usually 4 to 15 percent of the total, called the acid.