GEHR Plastics PPSU Polyphenylenesulfone

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GEHR Plastics PPSU Polyphenylenesulfone
Categories:	Polymer; Thermoplastic; Polyphenylsulfone (PPSU)
Material Notes:	Polyphenylenesulfone is an amorphous material, with improved impact and hydrolysis resistance compared to PSU. The usual operating temperature is approximately 180°C. The extremely high notched impact strength remains also after a heat aging. Properties high strength and rigidity very high impact strength very good dimensional stability very high chemical resistance high resistance to all kinds of radiation repeated sterilization lower chemical resistance than comparable semi-crystalline materials Applications include parts for microwave ovens, blow dryers, parts for humidifiers, food industry, pump wheels, insulators, and medical industry.
Vendors:	Ensinger High Performance Plastics withstand severe environments, resist harsh chemicals, and perform well in extreme temperatures. They offer weight savings that have potential to drive lower cost systems. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Specific Gravity	1.31 g/cc	ISO 1183
Moisture Absorption at Equilibrium	0.10 %	ISO 62
Water Absorption at Saturation	0.40 %	ISO 62

Mechanical Properties	Original Value	Comments
Hardness, Shore D	86	ISO 868
Ball Indentation Hardness	141 MPa	ISO 2039
Tensile Strength, Yield	80.0 MPa	ISO 527
Elongation at Break	>= 50 %	ISO 527
Elongation at Yield	7.0 %	ISO 527
Modulus of Elasticity	2.35 GPa	ISO 527
Flexural Strength	105 MPa	ISO 178
Charpy Impact Unnotched	NB	ISO 179
Charpy Impact, Notched	13.0 kJ/m²	ISO 179

Electrical Properties	Original Value	Comments
Volume Resistivity	3.00e+13 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+13 ohm	IEC 60093
Dielectric Constant	3.4 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	15.0 kV/mm	IEC 60243-1
Comparative Tracking Index	125 V	IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear	56.0 µm/m-°C	ISO 11359
Thermal Conductivity	0.350 W/m-K @Temperature 20.0 °C	ISO 22007-4
Melting Point	220 °C	DIN EN ISO 3146
Maximum Service Temperature, Air	170 °C	UL 746B
Deflection Temperature at 0.46 MPa (66 psi)	214 °C	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	207 °C	ISO 75
Minimum Service Temperature, Air	-50.0 °C	UL 746B
Glass Transition Temp, Tg	220 °C	DIN EN ISO 3146
Flammability, UL94	V-0	test results without UL registration; UL 94
Oxygen Index	38 %	ASTM D2863

Compliance Properties	Original Value	Comments
FDA	No	Physiological indifference

Descriptive Properties
Acid Resistance	yes
Aromatic Resistance	yes
Bondability	yes
CKW Resistance	limited
Color	black
Hydrocarbonate Resistance	yes
Hydroxide Resistance	limited
Ketone Resistance	yes
Physiological indifference	yes, EEC
Resistance Against Hot Water	yes
UV Stabilization	yes

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