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Mitsubishi Chemical Advanced Materials Duratron™ U1000 PEI Extruded Unfilled Polyetherimide
Categories: Polymer; Thermoplastic; Polyetherimide (PEI); Polyetherimide (PEI), Extrusion Grade
Material Notes: This amorphous PEI exhibits high strength, dimensional stability, consistent dielectric properties, and superior flame and heat resistance.

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.28 g/cc1.28 g/ccASTM D792
Water Absorption at Saturation 1.25 %1.25 %ASTM D570 (17)
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 115115ASTM D785
Hardness, Shore D 85.085.0ISO 868
Tensile Strength 129 MPa18700 psiISO 527-1/-2 (7)
Elongation at Yield 7.00 %7.00 %ISO 527-1/-2 (7)
Flexural Strength 167 MPa24200 psiISO 178 (12)
Compressive Yield Strength  31.0 MPa
@Strain 1.00 %		4500 psi
@Strain 1.00 %		ISO 604 (10)
 61.0 MPa
@Strain 2.00 %		8850 psi
@Strain 2.00 %		ISO 604 (10)
 137 MPa
@Strain 5.00 %		19900 psi
@Strain 5.00 %		ISO 604 (10)
Shear Strength 97.0 MPa14100 psiASTM D732
Charpy Impact, Notched 0.350 J/cm²1.67 ft-lb/in²ISO 179-1/1eA
 
Electrical PropertiesMetricEnglishComments
Surface Resistivity per Square 1.00e+14 ohm1.00e+14 ohmANSI/ESD STM 11.11
Dielectric Constant 3.15
@Frequency 1.00e+6 Hz		3.15
@Frequency 1.00e+6 Hz		ASTM D150
Dielectric Strength 27.0 kV/mm686 kV/inIEC 60243-1 (15)
 32.7 kV/mm830 kV/inASTM D149
Dissipation Factor 0.00130
@Frequency 1.00e+6 Hz		0.00130
@Frequency 1.00e+6 Hz		ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 55.8 µm/m-°C31.0 µin/in-°FASTM E-831 (TMA)
 50.0 µm/m-°C
@Temperature 23.0 - 100 °C		27.8 µin/in-°F
@Temperature 73.4 - 212 °F
 50.0 µm/m-°C
@Temperature 23.0 - 150 °C		27.8 µin/in-°F
@Temperature 73.4 - 302 °F
 60.0 µm/m-°C
@Temperature >=150 °C		33.3 µin/in-°F
@Temperature >=302 °F
Thermal Conductivity 0.177 W/m-K1.23 BTU-in/hr-ft²-°F
 0.240 W/m-K1.67 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 171 °C340 °FContinuous Use Temperature in Air after 20000 hr
Deflection Temperature at 1.8 MPa (264 psi) 204 °C400 °FASTM D648
Minimum Service Temperature, Air -50.0 °C-58.0 °F
Glass Transition Temp, Tg 210 °C410 °FDMA- Tan d
 
Chemical Resistance PropertiesMetricEnglishComments
Acids, Strong (pH 1-3) LimitedLimited
Acids, Weak AcceptableAcceptable
Alcohols AcceptableAcceptable
Alkalies, Strong (pH 11-14) UnacceptableUnacceptable
Alkalies, Weak AcceptableAcceptable
Chlorinated Solvents UnacceptableUnacceptable
Continuous Sunlight AcceptableAcceptable
Hot Water / Steam AcceptableAcceptable
Hydrocarbons - Aliphatic LimitedLimited
Hydrocarbons - Aromatic UnacceptableUnacceptable
Inorganic Salt Solutions AcceptableAcceptable
Ketones, Esters UnacceptableUnacceptable
 
Descriptive Properties
ESd categoryInsulative

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P1SM50 / 20145