Specification for insulating and sheathing materials for cables. Thermoplastic sheathing compounds having low emission of corrosive gases, and suitable for use in cables having low emission of smoke when affected by fire. General application thermoplastic types|Hydrochloric acid, Elongation at fracture, Polyvinyl chloride, Polymers, Bend testing, Tensile strength, Thermoplastic polymers, Cable sheaths, Temperature, Sheathed cables, Solid electrical insulating materials, High-temperature testing, Impact testing, Electric cables, Ageing (materials), Corrosion tests, Low-temperature testing, Pressure testing, Plastics, Tear tests, Electrical insulating materials, Insulated cables