Ключевые слова:
Plastics, Sheet materials, Unplasticized polyvinyl chloride, Polyvinyl chloride, Dimensions, Classification systems, Thickness, Dimensional tolerances, Colour, Defects, Length, Width, Tensile stress, Strain, Elongation at fracture, Impact strength, Softening-point determination, Thermal properties of materials, Chemical properties, Specimen preparation, Dimensional measurement, Marking, Visual inspection (testing), Tolerances (measurement)