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Plastics & Elastomers
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Plastics & Elastomers
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Radel® R-5500

Technical Datasheet | Supplied by Solvay
Radel® R-5500 by Solvay is an opaque, autoclavable, general purpose, radiotranslucent, flame retardant, biocompatible polyphenylsulfone (PPSU) grade. It is available as black, red, grey, orange, yellow, green, blue, violet, and in brown color. Exhibits good chemical resistance, good electrical properties, high environmental stress crack resistance, and high heat resistance. Offers resistance to acids, bases, gamma radiation & steam, E-beam sterilizability, ethylene oxide sterilizability, good thermal stability, heat sterilizability, hydrolytic stability, steam sterilizability and ultra-high toughness. Radel® R-5500 by Solvay is suitable for processing by injection molding, extrusion, blow molding, machining, sheet- film & profile extrusion, and thermoforming. Recommended applications include aircraft & aerospace, hospital goods, medical devices, dental applications, healthcare applications, membranes, surgical instruments, and food contact applications. It complies with the ISO 10993, RoHS, and ASTM D6394 SP0312 regulations.
Product Type
PSU (Polysulfone) > PPSU
Physical Form
Colors available

Radel® R-5500 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Water Absorption
0.37 %
(24 hrs)
Specific Gravity
( )
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
12 - 17 g/10 min
(At 365°C, 5.0 kg)
ASTM D1238

Radel® R-5500 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Drying Temperature
149 °C
Drying Time
2.5 hr
Processing (Melt) Temperature
360 - 391 °C
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