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