Ключевые слова:
Plastics, Unplasticized polyvinyl chloride, Thermoplastic polymers, Moulding (process), Moulded materials, Extruding, Specimen preparation, Test specimens, Testing conditions, Tensile testing, Tensile strength, Softening point, Impact strength, Modulus of elasticity, Ignitability, Electrical properties of materials, Thermal properties of materials, Mechanical properties of materials, Water absorption, Density