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Mitsubishi Chemical Advanced Materials Acetron™ GP FG / Ertacetal™ C FG POM-C Copolymer Acetal, Extruded
Categories:
Polymer
;
Thermoplastic
;
Acetal (Polyoxymethylene, POM)
;
Acetal Copolymer, Unreinforced
Material Notes:
A food grade, porosity-free copolymer acetal with greater resistance to hydrolysis, strong alkalis, and thermal oxidative degradation than homopolymer acetal grades.
Key Words:
POMC, Polyoxymethylene; Polyacetal
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Physical Properties
Original Value
Comments
Specific Gravity
1.41
g/cc
ASTM D792
Water Absorption at Saturation
0.900 %
ASTM D570 (17)
Mechanical Properties
Original Value
Comments
Hardness, Rockwell M
84.0
ASTM D785
Hardness, Shore D
79.0
ISO 868
Tensile Strength
66.0
MPa
ISO 527-1/-2 (7)
Elongation at Yield
15.0 %
ISO 527-1/-2 (7)
Flexural Strength
91.0
MPa
ISO 178 (12)
Compressive Yield Strength
23.0
MPa
@Strain 1.00 %
ISO 604 (10)
40.0
MPa
@Strain 2.00 %
ISO 604 (10)
72.0
MPa
@Strain 5.00 %
ISO 604 (10)
Shear Strength
55.0
MPa
ASTM D732
Charpy Impact, Notched
8.00
kJ/m²
ISO 179-1/1eA
Electrical Properties
Original Value
Comments
Surface Resistivity per Square
1.00e+14
ohm
ANSI/ESD STM 11.11
Dielectric Constant
3.80
@Frequency 1.00e+6 Hz
ASTM D150
Dielectric Strength
20.0
kV/mm
IEC 60243-1 (15)
420
kV/in
ASTM D149
Dissipation Factor
0.00500
@Frequency 1.00e+6 Hz
ASTM D150
Thermal Properties
Original Value
Comments
CTE, linear
54.0
µin/in-°F
ASTM E-831 (TMA)
110
µm/m-°C
@Temperature 23.0 - 60.0 °C
125
µm/m-°C
@Temperature 23.0 - 100 °C
Thermal Conductivity
0.310
W/m-K
1.60
BTU-in/hr-ft²-°F
Melting Point
335
°F
ASTM D3418
Maximum Service Temperature, Air
210
°F
Continuous Use Temperature in Air after 20000 hr
Deflection Temperature at 1.8 MPa (264 psi)
220
°F
ASTM D648
Minimum Service Temperature, Air
-50.0
°C
Chemical Resistance Properties
Original Value
Comments
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
Limited
Hot Water / Steam
Limited
Hydrocarbons - Aliphatic
Unacceptable
Hydrocarbons - Aromatic
Unacceptable
Inorganic Salt Solutions
Acceptable
Ketones, Esters
Unacceptable
Miscellaneous Properties
Original Value
Comments
Data Sheet Region
Americas
Targeted Usage
Load + Bearing
Descriptive Properties
ESd category
Insulative
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P1SM00ac / 251105