Acrylic is a thermoplastic polymer. It is a light-weight material which can be used in a variety of applications as a more-durable glass substitute.  Some trade names for acrylic are ACRYLITE®, DURAPLEX®, Fabback®, Excelon™, Lucite®, OPTIX®, Perspex®, Plexiglass®, Polycast®, and KSH®

MechanicalASTM Test MethodValueUnits
Strength to Weight Ratio-7.4ksi
Specific Gravity @73 FD7921.19-
Tensile Strength @73 F, (ult)/(yld)D6388,800 (ult)psi
Tensile Modulus of Elasticity @73 FD638470,000psi
Tensile Elongation at Break @73 FD638-%
Flexural Strength @73 FD79014,200psi
Flexural Modulus of Elasticity @73 FD790-psi
Shear Strength @73 FD732-psi
Comprehensive Strength, (% Deformation) @73 FD69513,700 (10)psi
Comprehensive Modulus of Elasticity @73 FD695-psi
Hardness, Rockwell, Scale as noted @73 FD785M86-
Hardness, Durometer, Shore D @73 FD2240--
Izod Impact, (Notched) @73 FD256 Type A0.4ft-lb/in of notch
Coefficient of Friction, (Dry vs Steel) Dynamic---
Limiting PV, (with 4 to 1 factor of safety applied)--psi-ft/min
ThermalASTM Test MethodValueUnits
Coefficient of Linear Thermal Expansion @73 FE-831 (TMA)4.0E-05in/in/F
Heat Deflection Temperature @264 psiD648165F
Tg-Glass transition termperature, (Amorphous)D3418-F
Melting Point, (VS=Vicat Softening Temp.)D3418-F
Continuous Service Temperature in Air, (Max.)--F
Thermal Conductivity--BTU-in/hr-ft2-F
ElectricASTM Test MethodValueUnits
Dielectric Strength, Short TermD149450Volts/mil
Volume ResistivityD2571.0E+15ohm-cm
Dielectric Constant @10E6 HzD150--
Dissipation Factor @10E6 HzD150--
Flammability @3.1 mm unless notedUL94HB (6.10mm)-
H2OASTM Test MethodValueUnits
Water Absorption, Immersion, 24 hoursD570(7)0.30% by weight
Water Absorption, SaturationD570(7)0.70% by weight