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Mitsubishi Chemical Advanced Materials Duratron™ LSG PEI Polyetherimide
Categories: Polymer; Thermoplastic; Polyetherimide (PEI)
Material Notes: Life Science Grade PEI stock shapes made from unfilled ULTEM™ PEI resin. Pre-assessed for biocompatibility on both resin and shape for up to 24 hours contact with body tissue according to USP VI and ISO 10993. Outstanding mechanical, thermal, and electrical performance, plus very good chemical and hydrolysis resistance. Suitable for repeated sterilization via all current methods.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.28 g/ccASTM D792
Water Absorption at Saturation 1.25 %ASTM D570 (17)
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell M 115ASTM D785
Hardness, Shore D 85.0ISO 868
Tensile Strength 129 MPaISO 527-1/-2 (7)
Elongation at Yield 7.00 %ISO 527-1/-2 (7)
Flexural Strength 167 MPaISO 178 (12)
Compressive Yield Strength 31.0 MPa
@Strain 1.00 %		ISO 604 (10)
 61.0 MPa
@Strain 2.00 %		ISO 604 (10)
 137 MPa
@Strain 5.00 %		ISO 604 (10)
Shear Strength 97.0 MPaASTM D732
Charpy Impact, Notched 3.50 kJ/m²ISO 179-1/1eA
 
Electrical PropertiesOriginal ValueComments
Surface Resistivity per Square 1.00e+14 ohmANSI/ESD STM 11.11
Dielectric Constant 3.15
@Frequency 1.00e+6 Hz		ASTM D150
Dielectric Strength 27.0 kV/mmIEC 60243-1 (15)
 830 kV/inASTM D149
Dissipation Factor 0.00130
@Frequency 1.00e+6 Hz		ASTM D150
 
Thermal PropertiesOriginal ValueComments
CTE, linear 31.0 µin/in-°FASTM E-831 (TMA)
 50.0 µm/m-°C
@Temperature 23.0 - 100 °C
 50.0 µm/m-°C
@Temperature 23.0 - 150 °C
 60.0 µm/m-°C
@Temperature >=150 °C
Thermal Conductivity 0.240 W/m-K
 1.23 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 340 °FContinuous Use Temperature in Air after 20000 hr
Deflection Temperature at 1.8 MPa (264 psi) 400 °FASTM D648
Minimum Service Temperature, Air -50.0 °C
Glass Transition Temp, Tg 410 °FDMA- Tan d
 
Compliance PropertiesOriginal ValueComments
USP Class VI Yes
 
Chemical Resistance PropertiesOriginal ValueComments
Acids, Strong (pH 1-3) Limited
Acids, Weak Acceptable
Alcohols Acceptable
Alkalies, Strong (pH 11-14) Unacceptable
Alkalies, Weak Acceptable
Chlorinated Solvents Unacceptable
Continuous Sunlight Acceptable
Hot Water / Steam Acceptable
Hydrocarbons - Aliphatic Limited
Hydrocarbons - Aromatic Unacceptable
Inorganic Salt Solutions Acceptable
Ketones, Esters Unacceptable
 
Descriptive Properties
ESd categoryInsulative

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P1SM923 / 291080