Ключевые слова:
Permittivity|Composite materials|Plastics|Designations|Polymers|Solid electrical insulating materials|Bending stress|Compressive strength|Thickness|Rigid pipes|Dimensional tolerances|Density|Cohesion|Electrical equipment|Pipes|Moulded materials|Dissipation factor|Industrial|Diameter|Thermosetting polymers|Electrical insulation|Electrical resistance|Straightness measurement|Breakdown voltage|Circular shape|Reinforced materials|Laminates|Thermal resistance|Test specimens|Water absorption|Dielectric strength