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Specialty Compounds RTP Company

Mitsubishi Chemical Advanced Materials Acetron™ GP / Ertacetal™ C POM-C Extruded Acetal
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced

Material Notes: A general purpose co-polymer acetal that is free of porosity and displays low moisture absorption on top of excellent machinability, making it great for food contact applications.

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.41 g/cc1.41 g/ccASTM D792
Water Absorption at Saturation 0.900 %0.900 %ASTM D570 (17)
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 84.084.0ASTM D785
Hardness, Shore D 79.079.0ISO 868
Tensile Strength 66.0 MPa9570 psiISO 527-1/-2 (7)
Elongation at Yield 15.0 %15.0 %ISO 527-1/-2 (7)
Flexural Strength 91.0 MPa13200 psiISO 178 (12)
Compressive Yield Strength  23.0 MPa
@Strain 1.00 %
3340 psi
@Strain 1.00 %
ISO 604 (10)
 40.0 MPa
@Strain 2.00 %
5800 psi
@Strain 2.00 %
ISO 604 (10)
 72.0 MPa
@Strain 5.00 %
10400 psi
@Strain 5.00 %
ISO 604 (10)
Shear Strength 55.0 MPa7980 psiASTM D732
Charpy Impact, Notched 0.800 J/cm²3.81 ft-lb/in²ISO 179-1/1eA
 
Electrical PropertiesMetricEnglishComments
Surface Resistivity per Square 1.00e+14 ohm1.00e+14 ohmANSI/ESD STM 11.11
Dielectric Constant 3.80
@Frequency 1.00e+6 Hz
3.80
@Frequency 1.00e+6 Hz
ASTM D150
Dielectric Strength 16.5 kV/mm420 kV/inASTM D149
 20.0 kV/mm508 kV/inIEC 60243-1 (15)
Dissipation Factor 0.00500
@Frequency 1.00e+6 Hz
0.00500
@Frequency 1.00e+6 Hz
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 97.2 µm/m-°C54.0 µin/in-°FASTM E-831 (TMA)
 110 µm/m-°C
@Temperature 23.0 - 60.0 °C
61.1 µin/in-°F
@Temperature 73.4 - 140 °F
 125 µm/m-°C
@Temperature 23.0 - 100 °C
69.4 µin/in-°F
@Temperature 73.4 - 212 °F
Thermal Conductivity 0.231 W/m-K1.60 BTU-in/hr-ft²-°F
 0.310 W/m-K2.15 BTU-in/hr-ft²-°F
Melting Point 168 °C335 °FASTM D3418
Maximum Service Temperature, Air 98.9 °C210 °FContinuous Use Temperature in Air after 20000 hr
Deflection Temperature at 1.8 MPa (264 psi) 104 °C220 °FASTM D648
Minimum Service Temperature, Air -50.0 °C-58.0 °F
 
Chemical Resistance PropertiesMetricEnglishComments
Acids, Strong (pH 1-3) AcceptableAcceptable
Acids, Weak LimitedLimited
Alcohols AcceptableAcceptable
Alkalies, Strong (pH 11-14) AcceptableAcceptable
Alkalies, Weak AcceptableAcceptable
Chlorinated Solvents UnacceptableUnacceptable
Continuous Sunlight LimitedLimited
Hot Water / Steam LimitedLimited
Hydrocarbons - Aliphatic UnacceptableUnacceptable
Hydrocarbons - Aromatic UnacceptableUnacceptable
Inorganic Salt Solutions AcceptableAcceptable
Ketones, Esters UnacceptableUnacceptable
 
Descriptive Properties
ESd categoryInsulative

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