BS 4295:1968

Kraft and rag types of capacitor tissue paper up to 25 micrometres in thickness and density from less than 0.8 g/cm³ to 1.2 g/cm³ for use as capacitor dielectric. Thickness, condition of rolls, core, marking, packaging, substance and apparent density, electric strength at 90°C, tensile strength, mineral ash, conductivity of aqueous extract, conductivity of organic extract, chloride content, sulphate content, freedom from conducting paths, stain test. Methods of test in appendices.