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Radel® Family

Radel® WM

Radel® WM Polyphenylsulfone (PPSU) is a transparent and rigid high-temperature engineering thermoplastic and belongs to the sulfone family of polymers. PPSU is the highest performing sulfone polymer. It is known for its extreme toughness, high flexural and tensile strength, excellent hydrolytic stability and good resistance to chemicals and heat. It is highly resistant to aqueous mineral acids, bases, and oxidizing agents and most solvents. It excels in high heat and humidity environments and provides operating temperatures around 200°C (392°F). Westlake’s Radel® WM stock shapes are made exclusively from Solvay, Radel® PPSU. Its regulatory compliance profile and lot-traceability make it ideal for use in medical and life science applications. Sterilization methods include EtO gas, radiation, steam autoclaving, dry heat, and cold sterilization. PPSU is intrinsically flame retardant, and offers high impact strength and good chemical resistance. PPSU is often an excellent choice for components that are exposed to high temperatures and corrosive media because of its exceptional chemical resistance. Examples include pipe fittings, battery containers, medical device parts, and sterilizable products for healthcare applications. Polyphenylsulfone is also used in the automotive and aerospace industries for applications where superior thermal and mechanical properties relative to other engineering grade resins are required.

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Industry

Life Sciences

Attributes

Shapes

Colors Available

Typical Properties

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Property	Test Standard	English Units	Metric Units
Mechanical
Flexural Modulus	D790	349 kpsi	2,410 MPa
Flexural Strength - 5%	D790	13 kpsi	91 MPa
Izod Impact, notched	D256	12.9 ft-lb/in	690 J/m
Tensile Elongation @ Break	D638	60-120%	60-120%
Tensile Elongation @ Yield	D638	7.20 %	7.20 %
Tensile Modulus	D638	339 kpsi	2,340 MPa
Tensile Strength @ Break	D638	10 kpsi	69.6 MPa
Thermal
HDT @ 264 psi	D648	404 °F	207 °C
Physical
Moisture Absorption	D570	0.37 %	0.37 %
Specific Gravity	D792	1.29	1.29
Electrical
Volume Resistivity	D257	30.9^13 ohm-ft	10^15 ohm-cm

Rod Sizing

Sheet Sizing

Film Sizing

48" Length

0.5" (12.7mm)

0.75" (19.05mm)

1" (25.4mm)

1.25" (31.75mm)

1.50" (38.1mm)

1.75" (44.45mm)

2" (50.8mm)

2.25" (57.15mm)

2.50" (63.5mm)

2.75" (69.85mm)

3" (76.2mm)

3.25" (82.55mm)

3.50" (88.9mm)

3.75" (95.25mm)

4" (101.6mm)

4.25" (107.95mm)

4.50" (114.3mm)

4.75" (120.65mm)

96" Length

0.5" (12.7mm)

0.75" (19.05mm)

1" (25.4mm)

1.25" (31.75mm)

1.50" (38.1mm)

1.75" (44.45mm)

2" (50.8mm)

2.25" (57.15mm)

2.50" (63.5mm)

2.75" (69.85mm)

3" (76.2mm)

3.25" (82.55mm)

3.50" (88.9mm)

3.75" (95.25mm)

4" (101.6mm)

4.25" (107.95mm)

4.50" (114.3mm)

4.75" (120.65mm)

Slab Sizing

" Length by 24" Width

0.25" (6.35mm)

0.375" (9.53mm)

0.5" (12.7mm)

0.75" (19.05mm)

1" (25.4mm)

1.25" (31.75mm)

1.5" (38.1mm)

1.75" (44.45mm)

2" (50.8mm)

2.25" (57.15mm)

2.50" (63.5mm)

2.75" (69.85mm)

3" (76.2mm)

3.25" (82.55mm)

3.50" (88.9mm)

3.75" (95.25mm)

4" (101.6mm)

Compression Sheet Sizing

48" Length by 24" Width

0.25" (6.35mm)

0.375" (9.53mm)

0.5" (12.7mm)

0.75" (19.05mm)

1" (25.4mm)

Extruded Sheet Sizing

96" Length by 48" Width

0.03" (0.76mm)

0.035" (0.89mm)

0.06" (1.52mm)

0.062" (1.57mm)

0.08" (2.03mm)

0.09" (2.29mm)

0.095" (2.41mm)

0.125" (3.18mm)

0.1875" (4.76mm)

0.25" (6.35mm)

26" Width

0.002" (0.05mm)

0.003" (0.08mm)

0.004" (0.1mm)

0.005" (0.13mm)

0.01" (0.25mm)

0.02" (0.51mm)

Documentation

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