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Mitsubishi Chemical Advanced Materials Semitron™ ESd 420 PEI Static Dissipative Polyetherimide
Categories: Polymer; Thermoplastic; Polyetherimide (PEI)
Material Notes: Semitron® ESd 420 PEI Polyetherimide electro static dissipative shapes exhibit high strength and stiffness, and excellent resistivity in the 10E6 to 10E9 ohms per square range. This grade in particular excels in high temperature environments, making it ideal for extreme structural applications in semiconductor and electronics markets.
Key Words: formerly Semitron® ESd 420- CM
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Physical PropertiesOriginal ValueComments
Specific Gravity 1.34 g/ccASTM D792
Water Absorption at Saturation 2.90 %ASTM D570 (17)
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell M 114ASTM D785
Tensile Strength 57.0 MPaISO 527-1/-2 (7)
Compressive Yield Strength 33.0 MPa
@Strain 1.00 %		ISO 604 (10)
 68.0 MPa
@Strain 2.00 %		ISO 604 (10)
 147 MPa
@Strain 5.00 %		ISO 604 (10)
Shear Strength 55.0 MPaASTM D732
Charpy Impact, Notched 2.00 kJ/m²ISO 179-1/1eA
 
Electrical PropertiesOriginal ValueComments
Surface Resistivity per Square 1.00e+6 ohmANSI/ESD STM 11.11
Dielectric Constant 5.63
@Frequency 1.00e+6 Hz		ASTM D150
Dissipation Factor 0.266
@Frequency 1.00e+6 Hz		ASTM D150
 
Thermal PropertiesOriginal ValueComments
CTE, linear 19.5 µin/in-°FASTM E-831 (TMA)
 38.0 µm/m-°C
@Temperature 23.0 - 100 °C
 40.0 µm/m-°C
@Temperature 23.0 - 150 °C
 46.0 µm/m-°C
@Temperature >=150 °C
Thermal Conductivity 0.220 W/m-K
 1.51 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) 410 °FASTM D648
Glass Transition Temp, Tg 410 °FDMA- Tan d
 
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
 
Miscellaneous PropertiesOriginal ValueComments
Data Sheet Region Americas
Targeted Usage Structural Uses
 
Descriptive Properties
ESd categoryDissipative

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P1SM32A / 20121