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Westlake Radel R

Polyethersulfone

Supplied by Westlake Plastics Company

The technical datasheet with complete property values for Westlake Radel R is available to members of the Prospector Plastics Database.
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Product Description
Stock shapes extruded from Radel® R resins offer a superior combination of high performance properties that include excellent thermal stability, outstanding toughness, and good environmental stress cracking resistance. These properties make Radel® R stock shapes attractive for a variety of demanding applications. The standard color of Radel® R is off white, but a transparent grade is available.
Manufacturing Capabilities:
  • Rod: 0.25 to 8 in diameter
  • Sheet: 0.035 to 0.25 in thick
  • Slab: 0.375 to 4 in thick
  • Film: 0.001 to 0.029 in thick
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Food Contact Acceptable
  • Good Crack Resistance
  • Good Thermal Stability
  • High ESCR (Stress Crack Resist.)
  • High Impact Resistance
  • Hydrolysis Resistant
  • Ultra High Toughness
Uses 
  • Aircraft Applications
  • Automotive Applications
  • Connectors
  • Non-specific Food Applications
  
Appearance 
  • Clear/Transparent
  • White
  
Forms 
  • Pellets
Processing Method 
  • Extrusion
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Water Absorption (24 hr)
%
 ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
 ASTM D638
Tensile Strength (Yield)
psi
 ASTM D638
Tensile Elongation
     ASTM D638
Yield
%
  
Break
%
  
Flexural Modulus
psi
 ASTM D790
Flexural Strength (Yield)
psi
 ASTM D790
Compressive Modulus
psi
 ASTM D695
Compressive Strength
psi
 ASTM D695
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact (73°F)
ft·lb/in
 ASTM D256
Unnotched Izod Impact
 
 ASTM D256
Hardness
Nominal Value
Unit
Test Method
Rockwell Hardness (R-Scale)
 
 ASTM D785
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
     ASTM D648
66 psi, Unannealed
°F
  
264 psi, Unannealed
°F
  
CLTE - Flow
in/in/°F
 ASTM D696
Thermal Conductivity
Btu·in/hr/ft²/°F
 ASTM C177
Electrical
Nominal Value
Unit
Test Method
Volume Resistivity
ohm·cm
 ASTM D257
Dielectric Strength
V/mil
 ASTM D149
Dielectric Constant (1 kHz)
 
 ASTM D150
Dissipation Factor (1 kHz)
 
 ASTM D150
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL (0.0310 in)
 
 UL 94
Oxygen Index
%
 ASTM D2863
Optical
Nominal Value
Unit
Test Method
Transmittance
%
 ASTM D1003
Haze
%
 ASTM D1003
Additional Information
The values listed as Haze and Transmittance, ASTM D1003, were tested in accordance with ASTM D1746.
Rockwell Hardness, ASTM D785, R, M, L or D scale: 122
Tensile Elongation @ Brk, ASTM D638: 60 to 120%
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Westlake Radel R, Westlake , WestlakeRadelR, Radel R, RadelR, Polyethersulfone, PESU, Polysulfone, PSU, Westlake Plast, RRadel
Features
Features may also be described by the following terms: Ultra High Toughness, Good Thermal Stability, High Impact Resistance, High Environmental Stress Cracking Resistance, High ESCR, Stress Cracking Resistant, Good Crack Resistance, Crack Resistant.
Uses
Uses may also be described by the following terms: Food Applications, Automotive Applications, Automotive Sector.
Notes
1Typical properties: these are not to be construed as specifications.
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.