Ключевые слова:
Modulus of elasticity|Sheet materials|Water absorption|Plastics|Dimensional measurement|Impact strength|Acrylic resins|Polymethyl methacrylate|Dimensions|Density|Softening point|Refractive index|Hardness|Polyacrylates|Thickness|Specimen preparation|Tensile strength|Transparency|Thermal expansion|Plastics sheet|Dimensional changes|Defects|Dimensional tolerances|Elongation at fracture