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Parylene HT Data Sheet

Polyparaxylylene

Supplied by Specialty Coating Systems (SCS)

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Product Description
Parylene HT, the newest Parylene commercially available, replaces the alpha hydrogen atom of the N dimer with fluorine. This variant of Parylene is useful in high temperature applications (up to 450°C) and those in which UV stability is requred. Parylene HT also has the lowest coefficient of friction and dielectric constant, and the highest penetrating power of the four variants.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Good Adhesion
  • Good Electrical Properties
  • Good UV Resistance
  • High Heat Resistance
  • Radiation (Gamma) Resistant
Uses 
  • Coating Applications
  • Medical/Healthcare Applications
  • Printed Circuit Boards
Agency Ratings 
RoHS Compliance 
Forms 
  • Film
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
ASTM D1505
Water Absorption (24 hr)
%
ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Coefficient of Friction
    ASTM D1894
vs. Itself - Dynamic
 
 
vs. Itself - Static
 
 
Films
Nominal Value
Unit
Test Method
Film Thickness - Tested
mil
 
Secant Modulus - MD (2,0 mil)
psi
ASTM D882
Tensile Strength - MD
    ASTM D882
Yield, 2,0 mil
psi
 
Break, 2,0 mil
psi
 
Tensile Elongation - MD
    ASTM D882
Yield, 2,0 mil
%
 
Break, 2,0 mil
%
 
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness (R-Scale)
 
ASTM D785
Thermal
Nominal Value
Unit
Test Method
Melting Temperature
°F
 
CLTE - Flow (77°F)
in/in/°F
ASTM D696
Specific Heat (68°F)
Btu/lb/°F
ASTM C351
Thermal Conductivity
Btu·in/hr/ft²/°F
ASTM C177
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohm
ASTM D257
Volume Resistivity
ohm·cm
ASTM D257
Dielectric Strength (0,00100 in)
V/mil
ASTM D149
Dielectric Constant
    ASTM D150
60 Hz
 
 
1 kHz
 
 
1 MHz
 
 
Dissipation Factor
    ASTM D150
60 Hz
 
 
1 kHz
 
 
1 MHz
 
 
Optical
Nominal Value
Unit
Test Method
Refractive Index
 
ASTM D542
Additional Information
Volume Resistivity, ASTM D257, 23°C, 50% RH: 1.9e17 ohm-cm
Surface Resistivity, ASTM D257, 23°C, 50% RH: 5e15
Nitrogen Gas Permeability, ASTM D1434, 25°C: 4.8 cc-mm/m²-d
Oxygen Gas Permeability, ASTM D1434, 25°C: 23.5 cc-mm/m²-d
Carbon Dioxide Gas Permeability, ASTM D1434, 25°C: 95.4 cc-mm/m²-d
Moisture Vapor Transmission, ASTM F1249, 90% RH, 37°C: 0.22 g-mm-m²-d
T5 point, Secant Modulus-Temperature Curve, Modulus=690 MPa: 377°C
T4 point, Secant Modulus-Temperature Curve, Modulus=70 MPa: >450°C
Continuous Service Temperature: 350°C
Short-Term Service Temperature: 450°C
Features
Features may also be described by the following terms: Good Adhesion, Good Electrical Properties, Radiation Resistant, Gamma Stable, Gamma Resistant, Radiation Stable, High Heat Resistance, Good UV Resistance, UV Resistant, Ultraviolet Resistant, Ultraviolet Light Resistant.
Uses
Uses may also be described by the following terms: Printed Circuit Boards, Medical Applications.
Agency Ratings
This plastic material has 1 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): ISO (1).
Notes
1Typical properties: these are not to be construed as specifications.
 
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The information presented on this datasheet was acquired by UL Prospector from the producer of the material. UL Prospector makes substantial efforts to assure the accuracy of this data. However, UL Prospector assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.