Mitsubishi Chemical Advanced Materials Acetron® AF Blend POM-H Acetal Extruded PTFE-Filled Acetal Homopolymer (ASTM Product Data Sheet)

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Mitsubishi Chemical Advanced Materials Acetron® AF Blend POM-H Acetal Extruded PTFE-Filled Acetal Homopolymer (ASTM Product Data Sheet)
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Homopolymer, PTFE-Filled
Material Notes:	Quadrant Engineering Plastic Products is now Mitsubishi Chemical Advanced Materials.
Key Words:	POM, Polyoxymethylene; Polyformaldehyde; Polyacetal
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Physical Properties	Metric	English	Comments

Specific Gravity	1.50 g/cc	1.50 g/cc	ASTM D792
Water Absorption	0.20 %	0.20 %	Immersion, 24hr; ASTM D570(2)
Water Absorption at Saturation	1.0 %	1.0 %	Immersion; ASTM D570(2)

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	85	85	ASTM D785
Hardness, Rockwell R	115	115	ASTM D785
Hardness, Shore D	83	83	ASTM D2240
Tensile Strength	55.2 MPa	8000 psi	ASTM D638
Tensile Strength at 65°C (150°F)	49.6 MPa	7200 psi	ASTM D638
Elongation at Break	15 %	15 %	ASTM D638
Tensile Modulus	3.00 GPa	435 ksi	ASTM D638
Flexural Strength	82.7 MPa	12000 psi	ASTM D790
Flexural Modulus	3.07 GPa	445 ksi	ASTM D790
Compressive Strength	96.5 MPa	14000 psi	10% Def.; ASTM D695
Compressive Modulus	2.07 GPa	300 ksi	ASTM D695
Shear Strength	52.4 MPa	7600 psi	ASTM D732
Izod Impact, Notched	0.374 J/cm	0.700 ft-lb/in	ASTM D256 Type A
Coefficient of Friction, Dynamic	0.19	0.19	Dry vs. Steel; QTM55007
K (wear) Factor	121 x 10^-8 mm³/N-M	60.0 x 10^-10 in³-min/ft-lb-hr	QTM 55010
Limiting Pressure Velocity	0.291 MPa-m/sec	8300 psi-ft/min	4:1 safety factor; QTM 55007

Electrical Properties	Metric	English	Comments
Surface Resistivity per Square	>= 1.00e+13 ohm	>= 1.00e+13 ohm	EOS/ESD S11.11
Dielectric Constant	3.1 @Frequency 1e+6 Hz	3.1 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	15.7 kV/mm	400 kV/in	Short Term; ASTM D149
Dissipation Factor	0.010 @Frequency 1e+6 Hz	0.010 @Frequency 1e+6 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
CTE, linear	90.0 µm/m-°C @Temperature -40.0 - 149 °C	50.0 µin/in-°F @Temperature -40.0 - 300 °F	ASTM E831
Melting Point	175 °C	347 °F	Crystalline, Peak; ASTM D3418
Maximum Service Temperature, Air	82.2 °C	180 °F	Long Term
Deflection Temperature at 1.8 MPa (264 psi)	118 °C	244 °F	ASTM D648
Flammability, UL94	HB @Thickness 3.17 mm	HB @Thickness 0.125 in	Estimated Rating

Compliance Properties	Metric	English	Comments
3A-Dairy	No	No
Canada AG	No	No
FDA	No	No
NSF	No	No
USDA	No	No
USP Class VI	No	No

Chemical Resistance Properties	Metric	English	Comments
Acids, Strong (pH 1-3)	Unacceptable	Unacceptable
Acids, Weak	Limited	Limited
Alcohols	Acceptable	Acceptable
Alkalies, Strong (pH 11-14)	Unacceptable	Unacceptable
Alkalies, Weak	Acceptable	Acceptable
Chlorinated Solvents	Limited	Limited
Conductive / Static Dissipative	No	No
Continuous Sunlight	Limited	Limited
Hot Water / Steam	Limited	Limited
Hydrocarbons - Aliphatic	Acceptable	Acceptable
Hydrocarbons - Aromatic	Acceptable	Acceptable
Inorganic Salt Solutions	Acceptable	Acceptable
Ketones, Esters	Acceptable	Acceptable

Descriptive Properties
Machinability	1		1-10, 1=Easier to Machine

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P1SM04 / 20075

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