GEHR Plastics PSU Polysulfone

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GEHR Plastics PSU Polysulfone
Categories:	Polymer; Thermoplastic; Polysulfone (PSU)
Material Notes:	Polysulfone shows great thermal stability. It possesses a high mechanical strength, very good dielectric properties and hydrolysis resistance and a high radiation resistance. PSU has a low notch impact strength. Properties: high impact strength high strength and rigidity very good dimensional stability high chemical stability high resistance to all kinds of radiation self-extinguishing repeated sterilization not weather resistant 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	Metric	English	Comments

Specific Gravity	1.24 g/cc	1.24 g/cc	ISO 1183
Moisture Absorption at Equilibrium	0.30 %	0.30 %	ISO 62
Water Absorption at Saturation	0.80 %	0.80 %	ISO 62

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	84	84	ISO 868
Ball Indentation Hardness	167 MPa	24200 psi	ISO 2039
Tensile Strength, Yield	89.0 MPa	12900 psi	ISO 527
Elongation at Break	>= 10 %	>= 10 %	ISO 527
Elongation at Yield	5.0 %	5.0 %	ISO 527
Modulus of Elasticity	2.68 GPa	389 ksi	ISO 527
Charpy Impact Unnotched	17.0 J/cm²	80.9 ft-lb/in²	ISO 179

Electrical Properties	Metric	English	Comments
Volume Resistivity	3.00e+13 ohm-cm	3.00e+13 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+13 ohm	>= 1.00e+13 ohm	IEC 60093
Dielectric Constant	3.1 @Frequency 1e+6 Hz	3.1 @Frequency 1e+6 Hz	IEC 60250
Dielectric Strength	42.0 kV/mm	1070 kV/in	IEC 60243-1
Dielectric Loss Index	0.0055 @Frequency 1e+6 Hz	0.0055 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	125 V	125 V	IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear	55.0 µm/m-°C	30.6 µin/in-°F	ISO 11359
Thermal Conductivity	0.250 W/m-K @Temperature 20.0 °C	1.74 BTU-in/hr-ft²-°F @Temperature 68.0 °F	ISO 22007-4
Melting Point	188 °C	370 °F	DIN EN ISO 3146
Maximum Service Temperature, Air	160 °C	320 °F	UL 746B
Deflection Temperature at 0.46 MPa (66 psi)	181 °C	358 °F	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	169 °C	336 °F	ISO 75
Minimum Service Temperature, Air	-100 °C	-148 °F	UL 746B
Glass Transition Temp, Tg	188 °C	370 °F	DIN EN ISO 3146
Flammability, UL94	V-0	V-0	test results without UL registration; UL 94
Oxygen Index	32 %	32 %	ASTM D2863

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes	Physiological indifference

Descriptive Properties
Acid Resistance	yes
Aromatic Resistance	yes
Bondability	yes
CKW Resistance	limited
Color	natural
Hydrocarbonate Resistance	yes
Hydroxide Resistance	yes
Ketone Resistance	yes
Physiological indifference	yes, EEC
Resistance Against Hot Water	yes
UV Stabilization	no

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PGEHR032 / 79869

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