TN 60

TN 60 generally refers to a specific type of classification or designation in various fields, but without additional context, it's hard to pinpoint its exact meaning. If you are referring to a technical or scientific context, TN 60 might relate to a material, a product specification, or a classification within an industry. For example, it could be a designation for a type of manufacturing process, a material grade, an environmental regulation, or something entirely different.