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Rulon Bearings

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Westlake Plastics Radel® R Polyphenylsulfone  (discontinued **)
Categories: Polymer; Thermoplastic; Polyphenylsulfone (PPSU)
Material Notes: Replaced by Thermalux PPSU .

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.

Applications Include:

  • Dairy connectors
  • Automotive fuses
  • Food service trays
  • Aircraft interior parts
  • Sockets and connectors

Advantages of Radel R:

  • Outstanding impact resistance
  • Resistance to hydrolysis
  • Transparent grade available
  • Excellent thermal stability
  • Combustion resistance without additives

Information provided by Westlake Plastics Company.
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Physical PropertiesOriginal ValueComments
Specific Gravity 1.29 g/ccASTM D792
Water Absorption 0.37 %
@Time 86400 sec		ASTM D570
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell R 122ASTM D785
Tensile Strength, Yield 10100 psiASTM D638
Elongation at Break 60 - 120 %ASTM D638
Elongation at Yield 7.2 %ASTM D638
Tensile Modulus 340 ksiASTM D638
Flexural Yield Strength 13200 psiASTM D790
Flexural Modulus 350 ksiASTM D790
Compressive Yield Strength 14350 psiASTM D695
Compressive Modulus 251 ksiASTM D695
Izod Impact, Notched 13.0 ft-lb/inASTM D256
Izod Impact, Unnotched NBASTM D256
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity >= 1.00e+15 ohm-cmASTM D257
Dielectric Constant 3.45
@Frequency 1000 Hz		ASTM D150
Dielectric Strength 360 V/milASTM D149
Dissipation Factor 0.00090
@Frequency 1000 Hz		ASTM D150
 
Thermal PropertiesOriginal ValueComments
CTE, linear 31.0 µin/in-°FASTM D696
Thermal Conductivity 2.42 BTU-in/hr-ft²-°FASTM C177
Deflection Temperature at 0.46 MPa (66 psi) 417 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 405 °FASTM D648
Flammability, UL94 V-0
@Thickness 0.787 mm
Oxygen Index 38 %ASTM D2863
 
Optical PropertiesOriginal ValueComments
Haze 15 %ASTM D1746
Transmission, Visible 50 %Transparency; ASTM D1746

**
Materials flagged as discontinued () are no longer part of the manufacturer’s standard product line according to our latest information. These materials may be available by special order, in distribution inventory, or reinstated as an active product. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials.

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YOUJU New Materials Paryls® PPSU F1150
Syensqo (Solvay Specialty Polymers) Radel® RG-5030 Polyphenylsulfone (PPSU)
Westlake Plastics Radel® R 4400 Polyphenylsulfone For Medical Applications

PWEST993 / 131203

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