Delrin Delrin® 127UV BK701 POM

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Delrin Delrin® 127UV BK701 POM
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM)
Material Notes:	UV Stabilized High Viscosity Acetal Homopolymer Information provided by DuPont; Delrin was sold by DuPont in 2023.
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Physical Properties	Metric	English	Comments

Density	1.42 g/cc	0.0513 lb/in³	ISO 1183
Melt Flow	2.5 g/10 min @Load 2.16 kg, Temperature 190 °C	2.5 g/10 min @Load 4.76 lb, Temperature 374 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	71.5 MPa	10400 psi	ISO 527-1/-2
Elongation at Break	37 %	37 %	Nominal; ISO 527-1/-2
Elongation at Yield	22 %	22 %	ISO 527-1/-2
Tensile Modulus	3.00 GPa	435 ksi	ISO 527-1/-2
Flexural Modulus	2.80 GPa	406 ksi	ISO 178
Poissons Ratio	0.37	0.37
Charpy Impact, Notched	1.00 J/cm² @Temperature -30.0 °C	4.76 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA
	1.30 J/cm² @Temperature 23.0 °C	6.19 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	110 µm/m-°C	61.1 µin/in-°F	ISO 11359-1/-2
CTE, linear, Transverse to Flow	110 µm/m-°C	61.1 µin/in-°F	ISO 11359-1/-2
Melting Point	178 °C	352 °F	10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi)	162 °C	324 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	92.0 °C	198 °F	ISO 75-1/-2
Flammability, UL94	HB @Thickness 0.800 mm	HB @Thickness 0.0315 in	IEC 60695-11-10
Flame Spread	26.0 mm/min @Thickness 1.00 mm	1.02 in/min @Thickness 0.0394 in	ISO 3795 (FMVSS 302)

Processing Properties	Metric	English	Comments
Melt Temperature	195 - 205 °C	383 - 401 °F	Range, Extrusion
	200 °C	392 °F	Optimum, Extrusion
	215 °C	419 °F	Optimum, Injection
	210 - 220 °C	410 - 428 °F	Range, Injection
Mold Temperature	90.0 °C	194 °F	Optimum, Injection
	80.0 - 100 °C	176 - 212 °F	Injection
Drying Temperature	80.0 °C	176 °F	Injection
	80.0 °C	176 °F	Extrusion
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour	Extrusion, Dehumidified Dryer
	2.00 - 4.00 hour	2.00 - 4.00 hour	Injection, Dehumidified Dryer
Moisture Content	<= 0.20 %	<= 0.20 %	Extrusion
	<= 0.20 %	<= 0.20 %	Injection
Hold Pressure	90.0 - 110 MPa	13100 - 16000 psi	Injection
	110 MPa	16000 psi	Injection
Annealing Temperature	160 °C	320 °F	Optional; 2 mm/min; Injection

Descriptive Properties
Additives	Release agent
Annealing time (min/mm)	30		Optional, Injection
Drying Recommended	yes		Injection
Emissions (mg/kg)	<8		VDA 275
FMVSS Class	B		ISO 3795 (FMVSS 302)
Max. screw tangential speed (m/s)	0.2		Injection
Part Marking Code	>POM<		ISO 11469
Polymer	POM
Processing Hold Pressure Time (s/mm)	8		Injection
Resin Identification	POM		ISO 1043
Weather stability delta E	0.4		DIN 53236
Weather stability grey scale	4 to 5		ISO 105-A02

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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PDSX5097 / 197737

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