Fiberglass cloth is a fabric woven made with glass yarn. Its application is such as building materials, heat and cold insulation work, and surface materials to prevent scattering of glass wool or rock wool, and sound absorbing materials.They are used in various places, such as office buildings, commercial facilities, factories, and various power plants. It plays an important role in supporting industry and people's lives.In addition, thinner glass cloth can be used as a base material for printed wiring boards. It is used in a wide variety of electronic devices.