Delrin Delrin® 525GR NC000 POM-GF25

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Delrin Delrin® 525GR NC000 POM-GF25
Categories:	Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, 30% Glass Fiber Reinforced
Material Notes:	25% Glass Reinforced Medium Viscosity Acetal Homopolymer Information provided by DuPont; Delrin was sold by DuPont in 2023.
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Physical Properties	Metric	English	Comments

Density	1.59 g/cc	0.0574 lb/in³	ISO 1183
Water Absorption	1.26 % @Thickness 2.00 mm	1.26 % @Thickness 0.0787 in	Sim. to ISO 62
Moisture Absorption	0.170 % @Thickness 2.00 mm	0.170 % @Thickness 0.0787 in	Sim. to ISO 62
Linear Mold Shrinkage, Flow	0.0040 cm/cm	0.0040 in/in	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.012 cm/cm	0.012 in/in	ISO 294-4, 2577
Melt Flow	8.0 g/10 min @Load 2.16 kg, Temperature 190 °C	8.0 g/10 min @Load 4.76 lb, Temperature 374 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	101	101	ISO 2039-2
Hardness, Rockwell R	122	122	ISO 2039-2
Tensile Strength at Break	160 MPa	23200 psi	ISO 527-1/-2
Elongation at Break	3.0 %	3.0 %	ISO 527-1/-2
Tensile Modulus	9.50 GPa	1380 ksi	ISO 527-1/-2
Flexural Strength	245 MPa @Strain 3.2 %	35500 psi @Strain 3.2 %	ISO 178
Flexural Modulus	9.15 GPa	1330 ksi	ISO 178
Compressive Strength	210 MPa	30500 psi	ISO 604
Poissons Ratio	0.34	0.34
Charpy Impact Unnotched	5.00 J/cm² @Temperature -30.0 °C	23.8 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eU
	6.00 J/cm² @Temperature 23.0 °C	28.6 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eU
Charpy Impact, Notched	1.00 J/cm² @Temperature -30.0 °C	4.76 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eA
	1.00 J/cm² @Temperature 23.0 °C	4.76 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA
Tensile Creep Modulus, 1 hour	8500 MPa	1.23e+6 psi	1h; ISO 899-1
Tensile Creep Modulus, 1000 hours	6000 MPa	870000 psi	1000h; ISO 899-1

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+14 ohm-cm	1.00e+14 ohm-cm	IEC 62631-3-1
Dielectric Constant	3.7 @Frequency 100 Hz	3.7 @Frequency 100 Hz	IEC 62631-2-1
	3.8 @Frequency 1e+6 Hz	3.8 @Frequency 1e+6 Hz	IEC 62631-2-1
Comparative Tracking Index	600 V	600 V	IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	35.0 µm/m-°C	19.4 µin/in-°F	ISO 11359-1/-2
CTE, linear, Transverse to Flow	100 µm/m-°C	55.6 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)	176 °C	349 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	172 °C	342 °F	ISO 75-1/-2
Flammability, UL94	HB @Thickness 0.750 mm	HB @Thickness 0.0295 in	IEC 60695-11-10
	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in	IEC 60695-11-10
Flame Spread	49.0 mm/min @Thickness 1.00 mm	1.93 in/min @Thickness 0.0394 in	ISO 3795 (FMVSS 302)

Processing Properties	Metric	English	Comments
Melt Temperature	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
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour	Injection, Dehumidified Dryer
Moisture Content	<= 0.20 %	<= 0.20 %	Injection
Hold Pressure	80.0 - 100 MPa	11600 - 14500 psi	Injection
	100 MPa	14500 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
FMVSS Class	B		ISO 3795 (FMVSS 302)
Fogging (%)	90		F-value (refraction); ISO 6452; DS,AMin
Fogging (mg)	1.2		G-value (condensate); ISO 6452
Max. screw tangential speed (m/s)	0.3		Injection
Part Marking Code	>POM-GF25<		ISO 11469
Polymer	POM-GF25
Processing Hold Pressure Time (s/mm)	8		Injection
Resin Identification	POM-GF25		ISO 1043

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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PDSX5132 / 197772

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