DuPont Mobility and Materials Delrin® 525GR BK000 POM-GF25

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DuPont Mobility and Materials Delrin® 525GR BK000 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. This product line has remained with DuPont after the DuPont-Dow merger.
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Physical Properties	Metric	English	Comments

Density	1.59 g/cc	0.0574 lb/in³	ISO 1183
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	7.5 g/10 min @Load 2.16 kg, Temperature 190 °C	7.5 g/10 min @Load 4.76 lb, Temperature 374 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	150 MPa	21800 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	200 MPa @Strain 3.5 %	29000 psi @Strain 3.5 %	ISO 178
Flexural Modulus	8.50 GPa	1230 ksi	ISO 178
Poissons Ratio	0.34	0.34
Charpy Impact Unnotched	5.00 J/cm² @Temperature 23.0 °C	23.8 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eU
Charpy Impact, Notched	0.750 J/cm² @Temperature -30.0 °C	3.57 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

Thermal Properties	Metric	English	Comments
Melting Point	178 °C	352 °F	10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi)	175 °C	347 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	172 °C	342 °F	ISO 75-1/-2
Flame Spread	44.0 mm/min @Thickness 1.00 mm	1.73 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

Descriptive Properties
Drying Recommended	yes		Injection
FMVSS Class	B		ISO 3795 (FMVSS 302)
Fogging (%)	90		F-value (refraction); ISO 6452; DS,AMin
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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PDSX5131 / 197771

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