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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: An extruded carbon nano tube-filled grade, developed specifically for electronic fixture applications that require a precise surface resistivity range.

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Physical PropertiesOriginal ValueComments
Specific Gravity 1.39 g/ccASTM D792
Water Absorption at Saturation 0.750 %ASTM D570 (17)
 
Electrical PropertiesOriginal ValueComments
Surface Resistivity per Square 1.00e+6 - 1.00e+9 ohmANSI/ESD STM 11.11
 
Thermal PropertiesOriginal ValueComments
CTE, linear 76.0 µin/in-°FASTM E-831 (TMA)
Melting Point 335 °FASTM D3418
Maximum Service Temperature, Air 180 °FContinuous Use Temperature in Air after 20000 hr
Deflection Temperature at 1.8 MPa (264 psi) 225 °FASTM D648
 
Chemical Resistance PropertiesOriginal ValueComments
Acids, Strong (pH 1-3) Acceptable
Acids, Weak Limited
Alcohols Acceptable
Alkalies, Strong (pH 11-14) Acceptable
Alkalies, Weak Acceptable
Chlorinated Solvents Unacceptable
Continuous Sunlight Acceptable
Hot Water / Steam Limited
Hydrocarbons - Aliphatic Unacceptable
Hydrocarbons - Aromatic Unacceptable
Inorganic Salt Solutions Acceptable
Ketones, Esters Unacceptable
 
Descriptive Properties
ESd categoryDissipative

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P1SM907 / 291064