Ключевые слова:
Thickness|Testing conditions|Thermal testing|Hydraulic tests|Pipes|Elongation at fracture|Pressure testing|Carbon black|Copolymers|Materials in contact with food|Classification systems|Antioxidants|Industrial|Colour|Service pressure|Diameter|Marking|Tensile strength|Impact testing|Composition|Dimensions|Sampling methods|Pressure|Test equipment|Pressure pipes|Determination of content|Polypropylene|Polymers|Plastics