Ключевые слова:
Polyethylene, Sheet materials, Extruding, Thermoplastic polymers, Rolls, Plastics and rubber technology, Defects, Smoothness (surface), Dimensional tolerances, Thickness, Length, Width, Form tolerances, Visual inspection (testing), Density, Mechanical properties of materials, Thermal properties of materials, Shrinkage, Shrinkage tests, Thermal testing, Sampling methods, Test specimens, Specimen preparation, Delivery, Designations, Marking