Strain coefficients at 20°C of common materials in the construction of touchscreen solutions
| Material | Strain coefficient 10^-6 | Application |
|---|---|---|
| Substrate Glass | 9 | Touchscreen |
| Borosilicate glass | 3.3 | Touchscreen |
| Polyester | 65 | Touchscreen |
| Polycarbonate | 6.5 | Touchscreen |
| Steel | 13 | Enclosure / Front Panel |
| Aluminium | 24 | Enclosure / Front Panel |
| ABS | 7.2 | Enclosure / Front Panel |
