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Mitsubishi Chemical Advanced Materials Semitron™ ESd 420 V PEI
Categories: Polymer; Thermoplastic; Polyetherimide (PEI)

Material Notes: Semitron™ ESd 420V PEI electrostatic dissipative shapes possess high strength and stiffness and are not subject to dimensional change when exposed to moisture.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.51 g/ccASTM D792
Water Absorption at Saturation 1.40 %ASTM D570 (17)
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell M 112ASTM D785
Tensile Strength 70.0 MPaISO 527-1/-2 (7)
Compressive Yield Strength 44.0 MPa
@Strain 1.00 %
ISO 604 (10)
 89.0 MPa
@Strain 2.00 %
ISO 604 (10)
 169 MPa
@Strain 5.00 %
ISO 604 (10)
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
 
Thermal PropertiesOriginal ValueComments
CTE, linear 15.0 µin/in-°FASTM E-831 (TMA)
 30.0 µm/m-°C
@Temperature 23.0 - 100 °C
 30.0 µm/m-°C
@Temperature 23.0 - 150 °C
 34.0 µm/m-°C
@Temperature >=150 °C
Maximum Service Temperature, Air 340 °FContinuous Use Temperature in Air after 20000 hr
Deflection Temperature at 1.8 MPa (264 psi) 420 °FASTM D648
Glass Transition Temp, Tg 420 °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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P1SM32B / 20122