Redwood Plastics Redco™ ACETAL COPOLYMER

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Redwood Plastics Redco™ ACETAL COPOLYMER
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes:	Redco™ Acetal brings together the benefits of strength, stiffness, a low coefficient of friction, and dimensional stability providing a versatile and easily machinable material that exceeds the life of many parts that are traditionally metal. Suited for a variety of industries and applications, Redco™ Acetal acts as an electrical insulator, is FDA Approved for food applications, and is an excellent material for use in applications requiring close-tolerances. To minimize delivery times and meet design configurations, Redwood Plastics and Rubber stocks a broad array of Redco™ Acetal sheet and round bar in both white and black. Custom colors and sizes are also available upon request. Information provided by Redwood Plastics and Rubber
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Physical Properties	Metric	English	Comments

Density	1.41 g/cc	0.0509 lb/in³	ASTM D792
Water Absorption	0.22 % @Thickness 3.17 mm, Time 86400 sec	0.22 % @Thickness 0.125 in, Time 24.0 hour	ASTM D570

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	80	80	At 0.2 in/min loading rate; ASTM D785
Tensile Strength	34.5 MPa @Temperature >=71.1 °C	5000 psi @Temperature >=160 °F	ASTM D638
	60.7 MPa @Temperature >=22.8 °C, Time 86400 sec	8800 psi @Temperature >=73.0 °F, Time 24.0 hour	ASTM D638
Elongation at Break	55 %	55 %	ASTM D638
Tensile Modulus	2.76 GPa	400 ksi	ASTM D638
Flexural Strength	89.6 MPa	13000 psi	ASTM D790
Flexural Modulus	2.76 GPa	400 ksi	ASTM D790
Compressive Strength	103 MPa	15000 psi	ASTM D695
Compressive Modulus	2.76 GPa	400 ksi	ASTM D695
Fatigue Strength	22.8 MPa @# of Cycles 1.00e+7	3300 psi @# of Cycles 1.00e+7	ASTM D671
Shear Strength	55.2 MPa	8000 psi	ASTM D732
Izod Impact, Notched	0.694 J/cm	1.30 ft-lb/in	ASTM D256
	10.7 J/cm	20.0 ft-lb/in	ASTM D256
Coefficient of Friction	0.15	0.15	VS. STEEL

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+15 ohm-cm	1.00e+15 ohm-cm	50% RH; ASTM D257
Dielectric Constant	3.7 @Frequency 1000 Hz	3.7 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	19.7 kV/mm @Thickness 2.29 mm	500 kV/in @Thickness 0.0900 in	short time; ASTM D149
	82.7 kV/mm @Thickness 0.127 mm	2100 kV/in @Thickness 0.00500 in	short time; ASTM D149
Dissipation Factor	0.0060 @Frequency 1e+6 Hz	0.0060 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	240 sec @Thickness 3.05 mm	240 sec @Thickness 0.120 in	burns; ASTM D495

Thermal Properties	Metric	English	Comments
CTE, linear	85.0 µm/m-°C @Temperature -40.0 - 185 °C	47.2 µin/in-°F @Temperature -40.0 - 365 °F	ASTM D696
Thermal Conductivity	0.231 W/m-K	1.60 BTU-in/hr-ft²-°F	ASTM C177
Maximum Service Temperature, Air	82.2 °C	180 °F
Deflection Temperature at 0.46 MPa (66 psi)	316 °C	601 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	205 °C	401 °F	ASTM D648
Flammability, UL94	HB	HB

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