Dimensional changes
Flow rates
Shrinkage
Optical measurement
Thermoplastic polymers
Polyacrylates
Dimensions
Plastics sheet
Polymethyl methacrylate
Sheet materials
Dimensional tolerances
Tensile strength
Dimensional measurement
Thermal properties of materials
Refractive index
Testing conditions
Transmittance
Extruding
Physical properties of materials
Defects
Modulus of elasticity
Polymers
Water absorption
Optical properties of materials
Test specimens
Acrylic resins
Thermal expansion
Plastics
Viscosity
Density
Hardness
Tensile strain
Softening point
Mechanical properties of materials