Mitsubishi Chemical Advanced Materials Acetron® MD Metal-detectable Copolymer Acetal (ASTM Product Data Sheet)

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Mitsubishi Chemical Advanced Materials Acetron® MD Metal-detectable Copolymer Acetal (ASTM Product Data Sheet)
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	Low moisture absorption High strength, stiffness Easy to machine No centerline porosity in Acetron® GP Many formulation options: Copolymer, Homopolymer, PTFE filled, and Internally lubricated/enhanced wear grade 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	1.47 g/cc	1.47 g/cc	ASTM D792
Water Absorption	0.20 %	0.20 %	Immersion, 24hr; ASTM D570(2)

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	89	89	ASTM D785
Hardness, Rockwell R	121	121	ASTM D785
Hardness, Shore D	85	85	ASTM D2240
Tensile Strength	62.1 MPa	9000 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	2.86 GPa	415 ksi	ASTM D638
Flexural Strength	82.7 MPa	12000 psi	ASTM D790
Flexural Modulus	2.762 GPa	400.6 ksi	ASTM D790
Compressive Strength	91.0 MPa	13200 psi	10% Def.; ASTM D695
Compressive Modulus	1.86 GPa	270 ksi	ASTM D695
Shear Strength	55.2 MPa	8000 psi	ASTM D732
Izod Impact, Notched	0.427 J/cm	0.800 ft-lb/in	ASTM D256 Type A
Coefficient of Friction, Dynamic	0.30	0.30	Dry vs. Steel; QTM55007
K (wear) Factor	806 x 10^-8 mm³/N-M	400 x 10^-10 in³-min/ft-lb-hr	QTM 55010
Limiting Pressure Velocity	0.140 MPa-m/sec	4000 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

Thermal Properties	Metric	English	Comments
CTE, linear	128 µm/m-°C @Temperature -40.0 - 149 °C	71.0 µin/in-°F @Temperature -40.0 - 300 °F	ASTM E831
Melting Point	171 °C	340 °F	Crystalline, Peak; ASTM D3418
Maximum Service Temperature, Air	82.2 °C	180 °F	Long Term
Deflection Temperature at 1.8 MPa (264 psi)	138 °C	280 °F	ASTM D648
Flammability, UL94	HB @Thickness 3.17 mm	HB @Thickness 0.125 in	Estimated Rating

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes
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

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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P1SM00e / 108906

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