GEHR Plastics PPE Polyphenylene Ether (discontinued **)

Category	Polymer , Thermoplastic , Polyphenylene Ether/PPO
Manufacturer
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	GEHR Plastics PPE Polyphenylene Ether (discontinued **).pdf
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Material Notes:

Polyphenylenether belongs to the group of amorphous materials and can be used in temperatures ranging from -50°C to approximately 105°C. PPE exhibits a high impact strength, a low water absorption, a very high dimensional stability and a very low tendency to creep. The electrical properties will not be influenced by the surrounding frequencies and therefore can be used in a lot of applications in electrical engineeringPropertieshigh dimensional stabilitylow tendency to creephigh thermostabilityhigh impact strengthgood electrical characteristics over a wide frequency rangehigh resistance to hydrolysisself-extinguishingnot resistant to some hydrocarbonsApplications include parts for electrical engineering and household utensils, shafts, gear wheels, and parts in the hydrolysis.

Physical Properties	Metric	English	Comments
Specific Gravity	1.06 g/cc	1.06 g/cc	ISO 1183
Water Absorption	0.23 %	0.23 %	ISO 62

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	86	86	DIN 53505
Ball Indentation Hardness	100 MPa	14500 psi	ISO 2039
Tensile Strength at Break	50.0 MPa	7250 psi	ISO 527
Tensile Strength, Yield	55.0 MPa	7980 psi	ISO 527
Elongation at Break	30 %	30 %	ISO 527
Elongation at Yield	5.0 %	5.0 %	ISO 527
Modulus of Elasticity	2.30 GPa	334 ksi	ISO 527
Flexural Strength	75.0 MPa	10900 psi	3.5%; ISO 178
Charpy Impact, Notched	1.50 J/cm²	7.14 ft-lb/in²	ISO 179
Coefficient of Friction	0.35	0.35	DIN 53375

Thermal Properties	Metric	English	Comments
CTE, linear	60.0 µm/m-°C @Temperature 20.0 °C	33.3 µin/in-°F @Temperature 68.0 °F	DIN 53752
Thermal Conductivity	0.220 W/m-K	1.53 BTU-in/hr-ft²-°F	DIN 52612
Maximum Service Temperature, Air	105 °C	221 °F
Deflection Temperature at 0.46 MPa (66 psi)	130 °C	266 °F	ISO 75
Deflection Temperature at 1.8 MPa (264 psi)	115 °C	239 °F	ISO 75
Vicat Softening Point	135 °C	275 °F	VST/B/50; ISO 306
	145 °C	293 °F	VST/A/50; ISO 306
Minimum Service Temperature, Air	-50.0 °C	-58.0 °F
Flammability, UL94	HB	HB

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm	>= 1.00e+15 ohm-cm	VDE 0303
Surface Resistivity per Square	>= 1.00e+15 ohm	>= 1.00e+15 ohm	VDE 0303
Dielectric Constant	2.6 @Frequency 1.00e+6 Hz	2.6 @Frequency 1.00e+6 Hz	DIN 53483
Dielectric Strength	19.0 kV/mm	483 kV/in	VDE 0303
Dielectric Loss Index	0.0010 @Frequency 1.00e+6 Hz	0.0010 @Frequency 1.00e+6 Hz	DIN 53483
Comparative Tracking Index	175 V	175 V	CTI; IEC 60112

Descriptive Properties	Value	Comments
Acid Resistance	yes
Aromatic Resistance	no
Bondability	yes
CKW Resistance	no
Color	Grey
Hydrocarbonate Resistance	limited
Hydroxide Resistance	yes
Ketone Resistance	yes
Physiological indifference according	no
Resistance Against Hot Water	yes
UV Stabilization	limited

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