Ensinger Delrin® 150 Homopolymer Acetal (POM)

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Ensinger Delrin® 150 Homopolymer Acetal (POM)
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Homopolymer, Unreinforced
Material Notes:	Ensinger's Delrin® 150 stock shapes are a homopolymer acetal manufactured using DuPont Delrin 150 Resin. It is a crystalline plastic which offers an excellent balance of properties to bridge the gap between metals and plastics. It possesses high tensile and flexural properties, along with creep resistance and toughness, while exhibiting low moisture absorption, and fatigue endurance. Information Provided by Ensinger, Inc.
Vendors:	Ensinger High Performance Plastics withstand severe environments, resist harsh chemicals, and perform well in extreme temperatures. They offer weight savings that have potential to drive lower cost systems. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Specific Gravity	1.42 g/cc	ASTM D792
Water Absorption	0.25 % @Time 86400 sec	ASTM D570
Water Absorption at Saturation	0.90 %	ASTM D570

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	94	ASTM D785
Hardness, Rockwell R	120	ASTM D785
Tensile Strength, Yield	11000 psi	ASTM D638
Elongation at Break	25 %	ASTM D638
Tensile Modulus	450000 psi	ASTM D638
Flexural Strength	16000 psi	ASTM D790
Flexural Modulus	420000 psi	ASTM D790
Compressive Strength	5200 psi	ASTM D695
Izod Impact, Unnotched	1.5 ft-lb/in	ASTM D256
Coefficient of Friction, Dynamic	0.20	40 psi, 50 fpm; ASTM D3702
K (wear) Factor	55.0 x 10^-10 in³-min/ft-lb-hr	ASTM D3702
Limiting Pressure Velocity	0.0513 MPa-m/sec	ASTM D792

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+15 ohm-cm	ASTM D257
Dielectric Constant	3.7 @Frequency 60 Hz	50% RH; ASTM D150
Dielectric Strength	500 V/mil	ASTM D149
Dissipation Factor	0.0050 @Frequency 60 Hz	ASTM D150

Thermal Properties	Original Value	Comments
CTE, linear	68.0 µin/in-°F	ASTM D696
Melting Point	347 °F	ASTM D2133
Maximum Service Temperature, Air	185 °F	Continuous; UL746B
	300 °F	Intermittent
Deflection Temperature at 0.46 MPa (66 psi)	336 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	257 °F	ASTM D648
Flammability, UL94	HB	UL 94

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