Redwood Plastics Redco™ ACETAL HOMOPOLYMER

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Redwood Plastics Redco™ ACETAL HOMOPOLYMER
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Homopolymer, 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	Original Value	Comments

Density	1.42 g/cc	ASTM D792
Water Absorption	0.25 % @Thickness 3.17 mm, Time 86400 sec	ASTM D570

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	94	At 0.2 in/min loading rate; ASTM D785
Tensile Strength	6900 psi @Temperature >=71.1 °C	ASTM D638
	10000 psi @Temperature >=22.8 °C, Time 86400 sec	ASTM D638
Elongation at Break	40 %	ASTM D638
Tensile Modulus	450000 psi	ASTM D638
Flexural Strength	14100 psi	ASTM D790
Flexural Modulus	450000 psi	ASTM D790
Compressive Strength	16000 psi	ASTM D695
Compressive Modulus	450000 psi	ASTM D695
Fatigue Strength	4300 psi @# of Cycles 1.00e+7	ASTM D671
Shear Strength	9000 psi	ASTM D732
Izod Impact, Notched	1.50 ft-lb/in	ASTM D256
	24.0 ft-lb/in	ASTM D256
Coefficient of Friction	0.15	VS. STEEL

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+15 ohm-cm	50% RH; ASTM D257
Dielectric Constant	3.7 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	500 V/mil @Thickness 2.29 mm	short time; ASTM D149
	2000 V/mil @Thickness 0.508 mm	short time; ASTM D149
	3000 V/mil @Thickness 0.127 mm	short time; ASTM D149
Dissipation Factor	0.0050	ASTM D150
	0.0050 @Frequency 1e+6 Hz	ASTM D150
Arc Resistance	220 sec @Thickness 3.05 mm	burns, no tracking; ASTM D495

Thermal Properties	Original Value	Comments
CTE, linear	100 µm/m-°C @Temperature -40.0 - 185 °C	ASTM D696
Thermal Conductivity	2.60 BTU-in/hr-ft²-°F	ASTM C177
Maximum Service Temperature, Air	180 °F
Deflection Temperature at 0.46 MPa (66 psi)	340 °C	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	277 °C	ASTM D648
Flammability, UL94	HB

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