What Is The Use of Barley Paper? Barley paper, also known as fish paper, is a versatile material made from cellulose fibers. Its unique properties make it essential in various industries, especially for electrical and thermal insulation. Over the years, it has gained popularity in sectors like electronics, battery production, and mechanical assemblies. In this article, we will explore the many uses of barley paper, with a special focus on its role in electrical insulation. By the end, you’ll understand why barley paper is vital in ensuring the safety and efficiency of modern devices.