Mitsubishi Chemical Advanced Materials Semitron™ ESd 420 PEI Static Dissipative Polyetherimide

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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 Properties	Metric	English	Comments

Specific Gravity	1.34 g/cc	1.34 g/cc	ASTM D792
Water Absorption at Saturation	2.90 %	2.90 %	ASTM D570 (17)

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	114	114	ASTM D785
Tensile Strength	57.0 MPa	8270 psi	ISO 527-1/-2 (7)
Compressive Yield Strength	33.0 MPa @Strain 1.00 %	4790 psi @Strain 1.00 %	ISO 604 (10)
	68.0 MPa @Strain 2.00 %	9860 psi @Strain 2.00 %	ISO 604 (10)
	147 MPa @Strain 5.00 %	21300 psi @Strain 5.00 %	ISO 604 (10)
Shear Strength	55.0 MPa	7980 psi	ASTM D732
Charpy Impact, Notched	0.200 J/cm²	0.952 ft-lb/in²	ISO 179-1/1eA

Electrical Properties	Metric	English	Comments
Surface Resistivity per Square	1.00e+6 ohm	1.00e+6 ohm	ANSI/ESD STM 11.11
Dielectric Constant	5.63 @Frequency 1.00e+6 Hz	5.63 @Frequency 1.00e+6 Hz	ASTM D150
Dissipation Factor	0.266 @Frequency 1.00e+6 Hz	0.266 @Frequency 1.00e+6 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
CTE, linear	35.1 µm/m-°C	19.5 µin/in-°F	ASTM E-831 (TMA)
	38.0 µm/m-°C @Temperature 23.0 - 100 °C	21.1 µin/in-°F @Temperature 73.4 - 212 °F
	40.0 µm/m-°C @Temperature 23.0 - 150 °C	22.2 µin/in-°F @Temperature 73.4 - 302 °F
	46.0 µm/m-°C @Temperature >=150 °C	25.6 µin/in-°F @Temperature >=302 °F
Thermal Conductivity	0.218 W/m-K	1.51 BTU-in/hr-ft²-°F
	0.220 W/m-K	1.53 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air	171 °C	340 °F	Continuous Use Temperature in Air after 20000 hr
Deflection Temperature at 1.8 MPa (264 psi)	210 °C	410 °F	ASTM D648
Glass Transition Temp, Tg	210 °C	410 °F	DMA- Tan d

Chemical Resistance Properties	Metric	English	Comments
Acids, Strong (pH 1-3)	Limited	Limited
Acids, Weak	Acceptable	Acceptable
Alcohols	Acceptable	Acceptable
Alkalies, Strong (pH 11-14)	Unacceptable	Unacceptable
Alkalies, Weak	Acceptable	Acceptable
Chlorinated Solvents	Unacceptable	Unacceptable
Continuous Sunlight	Acceptable	Acceptable
Hot Water / Steam	Acceptable	Acceptable
Hydrocarbons - Aliphatic	Limited	Limited
Hydrocarbons - Aromatic	Unacceptable	Unacceptable
Inorganic Salt Solutions	Acceptable	Acceptable
Ketones, Esters	Unacceptable	Unacceptable

Descriptive Properties
ESd category	Dissipative

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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P1SM32A / 20121

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