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Specialty Compounds RTP Company

Mitsubishi Chemical Advanced Materials Acetron® GP Copolymer Acetal, Porosity-Free, Unfilled, Extruded (ASTM datasheet)  (Unverified Data**)
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced

Material Notes:

Quadrant Engineering Plastic Products is now Mitsubishi Chemical Advanced Materials.

Key Words: POM, Polyoxymethylene; Polyacetal
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.41 g/cc1.41 g/ccASTM D792
Water Absorption 0.20 %0.20 %Immersion, 24hr; ASTM D570(2)
Water Absorption at Saturation 0.90 %0.90 %Immersion; ASTM D570(2)
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 8888ASTM D785
Hardness, Rockwell R 120120ASTM D785
Hardness, Shore D 8585ASTM D2240
Tensile Strength 65.5 MPa9500 psiASTM D638
Elongation at Break 30 %30 %ASTM D638
Tensile Modulus 2.76 GPa400 ksiASTM D638
Flexural Strength 82.7 MPa12000 psiASTM D790
Flexural Modulus 2.76 GPa400 ksiASTM D790
Compressive Strength 93.1 MPa13500 psi10% Def.; ASTM D695
Compressive Modulus 1.79 GPa260 ksiASTM D695
Shear Strength 55.2 MPa8000 psiASTM D732
Izod Impact, Notched 0.534 J/cm1.00 ft-lb/inASTM D256 Type A
Coefficient of Friction, Dynamic 0.250.25Dry vs. Steel; QTM55007
K (wear) Factor 403 x 10-8 mm³/N-M200 x 10-10 in³-min/ft-lb-hrQTM 55010
Limiting Pressure Velocity 0.0946 MPa-m/sec2700 psi-ft/min4:1 safety factor; QTM 55007
 
Electrical PropertiesMetricEnglishComments
Surface Resistivity per Square >= 1.00e+13 ohm>= 1.00e+13 ohmEOS/ESD S11.11
Dielectric Constant 3.8
@Frequency 1e+6 Hz
3.8
@Frequency 1e+6 Hz
ASTM D150
Dielectric Strength 16.5 kV/mm420 kV/inShort Term; ASTM D149
Dissipation Factor 0.0050
@Frequency 1e+6 Hz
0.0050
@Frequency 1e+6 Hz
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 97.2 µm/m-°C
@Temperature -40.0 - 149 °C
54.0 µin/in-°F
@Temperature -40.0 - 300 °F
ASTM E831
Thermal Conductivity 0.231 W/m-K1.60 BTU-in/hr-ft²-°FASTM F433
Melting Point 168 °C335 °FCrystalline, Peak; ASTM D3418
Maximum Service Temperature, Air 82.2 °C180 °FLong Term
Deflection Temperature at 1.8 MPa (264 psi) 104 °C220 °FASTM D648
Flammability, UL94 HB
@Thickness 3.17 mm
HB
@Thickness 0.125 in
Estimated Rating
 
Compliance PropertiesMetricEnglishComments
3A-Dairy YesYesNatural and Black Only
FDA YesYes
NSF YesYesSTD 51 & 61 Natural and Black
USDA YesYes
USP Class VI NoNo
 
Chemical Resistance PropertiesMetricEnglishComments
Acids, Strong (pH 1-3) UnacceptableUnacceptable
Acids, Weak LimitedLimited
Alcohols AcceptableAcceptable
Alkalies, Strong (pH 11-14) UnacceptableUnacceptable
Alkalies, Weak AcceptableAcceptable
Chlorinated Solvents LimitedLimited
Conductive / Static Dissipative NoNo
Continuous Sunlight LimitedLimited
Hot Water / Steam LimitedLimited
Hydrocarbons - Aliphatic AcceptableAcceptable
Hydrocarbons - Aromatic AcceptableAcceptable
Inorganic Salt Solutions AcceptableAcceptable
Ketones, Esters AcceptableAcceptable
 
Descriptive Properties
ColorNatural / Black
Machinability11-10, 1=Easier to Machine

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P1SM00a / 192052

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