Commodity Thermoplastic
Acrylic (PMMA) — Poly(methyl methacrylate)
PMMA is a transparent, weather-resistant thermoplastic often used as a lightweight, shatter-resistant alternative to glass. It offers 92% light transmission and superior UV stability.
PMMAAcrylicPlexiglasPerspexLuciteAcrylite
Manufacturers
4
Grades
4
Applications
5
Equivalents
2
Physical Properties
- Density
- 1.18 g/cm³
- Water Absorption (24h)
- 0.3 %
- Transparency
- Transparent (92%)
- Shrinkage
- 0.2 – 0.8 %
Mechanical Properties
- Young's Modulus
- 3.0 GPa
- Tensile Strength
- 70 MPa
- Flexural Strength
- 110 MPa
- Impact Strength (Izod)
- 20 J/m
- Elongation at Break
- 5 %
Thermal Properties
- Glass Transition Temperature
- 105 °C
- Continuous Service Temperature
- 80 °C
- Heat Deflection Temperature
- 95 °C
Electrical Properties
- Dielectric Constant
- 3.6
- Volume Resistivity
- 10¹⁵ Ω·cm
Chemical Resistance
- Acids
- Good
- Bases
- Fair
- Alcohols
- Poor
- Acetone
- Attacks
- UV Resistance
- Excellent
Sustainability
- Recyclability
- Recyclable (chemical)
- Recycling Code
- 7
- Carbon Footprint
- ~5.4 kg CO₂e / kg
Manufacturing compatibility
Injection MoldingExtrusionThermoformingCNC MachiningLaser CuttingBonding
Applications
Aquariums
Skylights & windows
Signage & displays
Lighting fixtures
Medical devices
Available grades
PMMA CastPMMA ExtrudedPMMA Impact ModifiedPMMA UV