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| Parylene D 聚对二甲苯 (PPX) | |||
| Polyparaxylylene | |||
| Product Description | |||
| Parylene is the name for members of a unique polymer series. The basic member of the series, Parylene N, is poly(para-Xylylene), a completely linear, highly crystalline material. | |||
| Parylene D, the third available member of the series, is produced from the same raw material as the Parylene N dimer, modified by the substitution of chlorine atoms for two of the aromatic hydrogens. Parylene D is similar in properties to Parylene C with the added ability to withstand slightly higher use temperatures. | |||
| General | |||
| Features | Good Chemical Resistance | Linear Polymer Structure | |
| Highly Crystalline | Radiation (Gamma) Resistant | ||
| Uses | Aerospace Applications | Electrical/Electronic Applications | Printed Circuit Boards |
| Automotive Applications | Medical/Healthcare Applications | ||
| Coating Applications | Military Applications | ||
| Agency Ratings | MIL I-46058C | ||
| RoHS Compliance | RoHS Compliant | ||
| Appearance | Clear/Transparent | Colorless | |
| Physical | Nominal Value | Unit | Test Method |
| Density | 1.42 | g/cm³ | ASTM D1505 |
| Water Absorption (24 hr) | < 0.10 | % | ASTM D570 |
| Hardness | Nominal Value | Unit | Test Method |
| Rockwell Hardness (R-Scale) | 80 | ASTM D785 | |
| Mechanical | Nominal Value | Unit | Test Method |
| Coefficient of Friction | ASTM D1894 | ||
| Dynamic | 0.31 | ||
| Static | 0.33 | ||
| Films | Nominal Value | Unit | Test Method |
| Secant Modulus - MD | 2620 | MPa | ASTM D882 |
| Tensile Strength - MD | ASTM D882 | ||
| Yield | 62.1 | MPa | |
| Break | 75.8 | MPa | |
| Tensile Elongation - MD | ASTM D882 | ||
| Yield | 3 | % | |
| Break | < 200 | % | |
| Oxygen Permeability (25°C) | 13 | cm³·mm/m²/atm/24 hr | ASTM D1434 |
| Water Vapor Transmission Rate (37°C, 90% RH) | 0.09 | g·mm/m²/atm/24 hr | ASTM E96 |
| Carbon Dioxide Permeability (25°C) | 5.1 | cm³·mm/m²/atm/24 hr | ASTM D1434 |
| Nitrogen Permeability (25°C) | 1.8 | cm³·mm/m²/atm/24 hr | ASTM D1434 |
| Thermal | Nominal Value | Unit | Test Method |
| Continuous Use Temperature | 100 | °C | |
| Melting Temperature | 380 | °C | DSC |
| CLTE - Flow (25°C) | 3.80E-05 | cm/cm/°C | TMA |
| Service Temperature - Short-Term | 120 | °C | |
| Electrical | Nominal Value | Unit | Test Method |
| Surface Resistivity 2 | 1.00E+16 | ohms | ASTM D257 |
| Volume Resistivity 3 (23°C) | 1.20E+17 | ohms·cm | ASTM D257 |
| Dielectric Strength | 220 | kV/mm | ASTM D149 |
| Dielectric Constant | ASTM D150 | ||
| 60 Hz | 2.84 | ||
| 1 kHz | 2.82 | ||
| 1 MHz | 2.8 | ||
| Dissipation Factor | ASTM D150 | ||
| 60 Hz | 4.00E-03 | ||
| 1 kHz | 3.00E-03 | ||
| 1 MHz | 2.00E-03 | ||
| Optical | Nominal Value | ||
| Refractive Index 4 | 1.669 | ||
| Additional Information | Nominal Value | Unit | Test Method |
| Hydrogen (H2) Gas Permeation (25°C) | 95 | cm³·mm/m²/atm/24 hr | ASTM D1434 |
| Notes | |||
| 1These links provide you with access to supplier literature. We work hard to keep them up to date; however you may find the most current literature from the supplier. | |||
| 223°C, 50% RH | |||
| 350% RH | |||
| 4Abbe Refractometer | |||
