Polymethylmethacrylate (PMMA), commonly known as acrylic, is a transparent thermoplastic polymer valued for its optical clarity, rigidity, and ease of processing. It is widely used in applications requiring both transparency and dimensional stability, from consumer goods to precision optical components, where it often serves as a lightweight, shatter-resistant alternative to glass. PMMA's combination of good weathering resistance and moderate mechanical strength makes it particularly suitable for outdoor and long-term exposure applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Compressive Strength(σc) | 3.500 | MPa | — | ||
Hardness (Vickers)(HV) | 4,247.7 | HV | — | ||
Ultimate Tensile Strength(σUTS) | 64.00 | MPa | — | ||
Young's Modulus(E) | 3.171 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Glass Transition Temperature(Tg) | 379.5 | K | — | ||
Melting Point / Solidus(Tm) | 446.5 | K | — | ||
Maximum Service Temperature(Tmax) | 639.2 | K | — | ||
Thermal Conductivity(k) | 0.3200 | W/(m·K) | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.843 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Refractive Index(n) | 1.492 | - | — |