Table 1 Properties of Parylane C compared to that of its counterpart Parylane N [25]
From: Electrochemical characteristics of microelectrode designed for electrical stimulation
Properties | Parylene-N | Parylene-C |
|---|---|---|
Typical mechanical properties | ||
Tensile strength (psi) | 6500 | 10,000 |
Tensile strength (MPa) | 45 | 69 |
Yield strength (psi) | 6300 | 8000 |
Tensile strength (MPa) | 43 | 55 |
Tensile modulus (Mpa) | 2400 | 3200 |
Elongation at break (%) | 40 | 200 |
Yield elongation (%) | 2.5 | 2.9 |
Density (g/cm3) | 1.11 | 1.289 |
Coefficient of friction | ||
Static | 0.25 | 0.29 |
Dynamic | 0.25 | 0.29 |
Water absorption (%, 24 h) | 0.01 (0.019”) | 0.06 (0.029”) |
Typical electrical properties | ||
Dielectric strength, short time (Volts/mil at 1 mil) | 7000 | 6800 |
Volume resistivity 23 °C, 50% RH (Ohm-cm) | 1 × 1017 | 6 × 1016 |
Surface resistivity, 23 °C, 50% RH (Ohm) | 1015 | 1015 |
Dielectric constant (Hz) | ||
60 | 2.65 | 3.15 |
1000 | 2.65 | 3.1 |
1,000,000 | 2.65 | 2.95 |
Dissipation factor (Hz) | ||
60 | 2E−04 | 0.02 |
1000 | 2E−04 | 0.019 |
1,000,000 | 2E−04 | 0.013 |