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Parylene C 聚对二甲苯 (PPX)

Parylene C 聚对二甲苯 (PPX)

2023-01-26

Parylene C 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 C, the second commercially available member of the series, is produced from the same raw material (dimer) as Parylene N, modified only by the substitution of a chlorine atom for one of the aromatic hydrogens. Parylene C has a useful combination of electrical and physical properties plus a very low permeability to moisture and corrosive gases.
General
Features  Biocompatible Highly Crystalline Radiation (Gamma) Resistant
Good Chemical Resistance Linear Polymer Structure
Uses  Aerospace Applications Electrical/Electronic Applications Printed Circuit Boards
Automotive Applications Medical/Healthcare Applications
Coating Applications Military Applications
Agency Ratings  ISO 10993 MIL I-46058C USP Class VI
RoHS Compliance  RoHS Compliant
Appearance  Clear/Transparent Colorless

 

Physical Nominal Value Unit Test Method
Density 1.29 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 0.29    
Static 0.29    
Films Nominal Value Unit Test Method
Secant Modulus - MD  2760 MPa ASTM D882
Tensile Strength - MD      ASTM D882
Yield 55.2 MPa  
Break 68.9 MPa  
Tensile Elongation - MD      ASTM D882
Yield 2.9 %  
Break < 200 %  
Oxygen Permeability (25°C) 2.8 cm³·mm/m²/atm/24 hr ASTM D1434
Water Vapor Transmission Rate (37°C, 90% RH) 0.08 g·mm/m²/atm/24 hr ASTM F1249
Carbon Dioxide Permeability (25°C) 3 cm³·mm/m²/atm/24 hr ASTM D1434
Nitrogen Permeability (25°C) 0.4 cm³·mm/m²/atm/24 hr ASTM D1434
Thermal Nominal Value Unit Test Method
Continuous Use Temperature 80 °C  
Melting Temperature 290 °C DSC
CLTE - Flow (25°C) 3.50E-05 cm/cm/°C TMA
Specific Heat (20°C) 712 J/kg/°C  
Thermal Conductivity (25°C) 0.084 W/m/K ASTM C177
Service Temperature - Short-Term  100 °C  
Electrical Nominal Value Unit Test Method
Surface Resistivity 2 1.00E+14 ohms ASTM D257
Volume Resistivity 3 (23°C) 8.80E+16 ohms·cm ASTM D257
Dielectric Strength 220 kV/mm ASTM D149
Dielectric Constant     ASTM D150
60 Hz 3.15    
1 kHz 3.1    
1 MHz 2.95    
Dissipation Factor     ASTM D150
60 Hz 0.02    
1 kHz 0.019    
1 MHz 0.013    
Optical Nominal Value    
Refractive Index 4 1.639    
Additional Information Nominal Value Unit Test Method
Hydrogen (H2) Gas Permeation (25°C) 43 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      


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