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Review Article

A Review of Printable Flexible and Stretchable Tactile Sensors

Table 4

Properties of a few commonly used substrate materials [118, 138, 148, 249251]. Subject to change with fabrication.

MaterialThickness (μm)Density (g/cm3)Transparency (%)Tg (°C)Max. allowable temp (°C)Thermal coeff. (ppm/°C)Young’s modulus (GPa)Tensile strength (MPa)Solvent resistanceSurface energy (dyn/cm)

PET16-1001.399070-11015015-332-4.155-250Good35-50
PEN12-2501.3687120-155260200.1-0.5280-550Good20–35
PI12-1251.36–1.4335-60155-270Up to 4008-202.5-385-300Good40
TPU1.1890801301537 MPa28-54Good
Paper (transparent nanofiber)20-2001.538020015013223Poor50-60
Ecoflex1.0770-902322840.05–0.10 MPa0.83–2.41Poor35
PDMS0.96590-125200270-3101.84 MPa2.24Poor10-20