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Radel® R PAES PolyArylEtherSulfone
(PPSU PolyPhenylSulfone) Specifications

904 West 6th Street, Shiner, Texas 77984 USA
Phone: 1-361-594-2941     Fax: 1-361-594-2349     E-Mail: info@boedeker.com

1-800-444-3485

BPI Home Page | Applications | Materials Guide | Contact Us!

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GENERAL PROPERTIES
Radel® R PAES (Polyarylethersulfone) is an amorphous high performance thermoplastic offering better impact and chemical resistance than polysulfone (Udel®) or polyetherimide (Ultem®). Polyarylethersulfone is also commonly referred to as Polyphenylsulfone (PPSU).

Radel® R offers superior hydrolysis resistance when compared to other amorphous thermoplastics as measured by steam autoclaving cycles to failure. In fact, Radel® R has virtually unlimited steam sterilizability. This makes it an excellent choice for medical devices. It also resists common acids and bases -- including commercial washing solutions -- over a broad temperature range.

Radel® R is available in amber (translucent), natural (bone white), and custom colors. It is commonly used in sterilization trays, dental and surgical instrument handles, orthopedic implant trials and in fluid handling coupling and fitting applications. Radel® R is FDA, USDA, and USP Class VI compliant.
( see also Radel A (PESU) Specifications )

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TYPICAL PROPERTIES of RADEL® R

ASTM or UL test Property Radel® R
PHYSICAL
D792 Density (lb/in³)
(g/cm³)
0.047
1.30
D570 Water Absorption, 24 hrs (%) 0.4
MECHANICAL
D638 Tensile Strength (psi) 11,000
D638 Tensile Modulus (psi) 340,000
D638 Tensile Elongation at Yield (%) 30
D790 Flexural Strength (psi) 15,500
D790 Flexural Modulus (psi) 345,000
D695 Compressive Strength (psi) 13,400
D695 Compressive Modulus (psi) 280,000
D785 Hardness, Rockwell M80 / R120
D256 IZOD Notched Impact (ft-lb/in) 2.5
THERMAL
D696 Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F)
3.10
D648 Heat Deflection Temp (°F / °C)
at 264 psi

405 / 207
D3418 Glass Transition Temp (°F / °C) 428 / 220
- Max Operating Temp (°F / °C) 300 / 149
C177 Thermal Conductivity
(BTU-in/ft²-hr-°F)
(x 10-4 cal/cm-sec-°C)

2.4
8.3
UL94 Flammability Rating V-O
ELECTRICAL
D149 Dielectric Strength (V/mil) short time, 1/8" thick 360
D150 Dielectric Constant at 1 MHz 3.44
D150 Dissipation Factor at 1 MHz 0.0017
D257 Volume Resistivity (ohm-cm)at 50% RH > 1015

NOTE: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers' complete material property datasheets.
All values at 73°F (23°C) unless otherwise noted.
RADEL and UDEL are registered trademarks of Solvay Advanced Polymers.
ULTEM is a registered trademark of General Electric Company.
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Boedeker Plastics, Inc.
904 West 6th Street, Shiner, Texas 77984 USA
USA TOLLFREE : 1-800-444-3485
Phone: 1-361-594-2941     Fax: 1-361-594-2349     E-Mail: info@boedeker.com

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