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Ensinger PEI

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Mitsubishi Chemical Advanced Materials Semitron® CNT POM-C Carbon Nanotube Filled Polyoxymethylene
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced

Material Notes: Semitron® CNT Polyoxymethylene POM-C is an extruded carbon nano tube-filled grade, developed specifically for electronic fixture applications that require a precise surface resistivity range, yet offer increased dimensional stability versus conventional POM ESd products. In addition to these properties, Semitron® CNT POM-C also offers superior stiffness and strength, while also maintaining an extremely low moisture absorption rate of 0.25% at 24 hour, and 0.75% at saturation. Furthermore, this grade in particular can be found throughout the semiconductor and electronics industry as integrated chip test jigs, test sockets, PCB test jigs, and in basic electronics assembly fixturing applications.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.39 g/ccASTM D792
Water Absorption 0.25 %
@Time 86400 sec
immersion in water; ASTM D570
Water Absorption at Saturation 0.75 %ASTM D570
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell M 71ASTM D785
Hardness, Rockwell R 82ASTM D785
Tensile Strength 7500 psiASTM D638
Elongation at Break 15 %ASTM D638
Modulus of Elasticity 340 ksiASTM D638
Flexural Strength 9500 psiASTM D790
Flexural Modulus 350 ksiASTM D790
Compressive Strength 10500 psiASTM D695
Izod Impact, Notched 1.00 ft-lb/inASTM D256
 
Electrical PropertiesOriginal ValueComments
Surface Resistivity per Square 1e+05 - 1.00e+8 ohmANSI/ESD STM 11.11
 
Thermal PropertiesOriginal ValueComments
CTE, linear 76.0 µin/in-°F
@Temperature -40.0 - 149 °C
ASTM E-831
Melting Point 335 °FDSC, 50°F/min; ASTM D3418
Maximum Service Temperature, Air 180 °F20,000 hours
Deflection Temperature at 1.8 MPa (264 psi) 225 °FASTM D648
Flammability, UL94 HB
@Thickness 3.00 mm
 
Descriptive Properties
ColorBlack

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P1SM907 / 291064

Proto3000 – 3D Engineering Solutions

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