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LECO for Empowering Results
Ensinger RADEL® R-5500 Polyphenylsulfone (PPSU)
Categories: Polymer; Thermoplastic; Polyphenylsulfone (PPSU)

Material Notes: RADEL® R is a Polyphenylsulfone produced by Solvay Advanced Polymers. RADEL® R is in the same performance category as products like Polysulfone and ULTEM® (PEI). RADEL® R has increased performance versus Polysulfone and ULTEM® in terms of temperature, impact strength and chemical resistance. RADEL® R has exceptional resistance to repeated steam autoclaving without loss of dimensional stability or physical properties. RADEL® R comes in both opaque and transparent grades. The transparent grade is R-5500 and the opaque grade is R-5100.

  • High tensile strength
  • Excellent heat resistance
  • Very high resistance to environmental stress
  • Great mechanical strength
  • High dielectric strength and stability
  • Low dissipation factor
  • Very good machinability and finishing
  • Available in opaque and transparent grades

RADEL® R series products are targeted at a number of industries and applications. The initial target market is the medical industry. RADEL® R is used in applications for surgical tools and instruments because of its resistance to autoclave sterilization damage. A second market for RADEL® R is electronics because of its temperature resistance and dielectric properties.

Information Provided by Ensinger Industries, Inc.

Available Properties
  • Specific Gravity, ASTM D792
  • Density, ASTM D792
  • Water Absorption, ASTM D570
  • Water Absorption at Saturation, ASTM D570
  • Hardness, Rockwell R, ASTM D785
  • Tensile Strength, Yield, ASTM D638
  • Elongation at Break, ASTM D638
  • Tensile Modulus, ASTM D638
  • Flexural Strength, ASTM D790
  • Flexural Modulus, ASTM D790
  • Compressive Strength, ASTM D695
  • Izod Impact, Notched, ASTM D256
  • Volume Resistivity, ASTM D257
  • Dielectric Constant, ASTM D150, 50% RH
  • Dielectric Strength, ASTM D149
  • CTE, linear, ASTM D696
  • Specific Heat Capacity
  • Maximum Service Temperature, Air, Intermittent
  • Deflection Temperature at 0.46 MPa (66 psi), ASTM D648
  • Deflection Temperature at 1.8 MPa (264 psi), ASTM D648
  • Vicat Softening Point
  • Flammability, UL94
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Elmet Technologies
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