DuPont Mobility and Materials Crastin® FR684NH BK591 PBT-GF25FR(40)

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DuPont Mobility and Materials Crastin® FR684NH BK591 PBT-GF25FR(40) (discontinued **)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled; Polybutylene Terephthalate (PBT), Glass Fiber Filled, Flame Retardant
Material Notes:	25% Glass Reinforced, Flame Retardant, Non-Halogenated, Polybutylene Terephthalate While this product line has been acquired by Celanese, this specific grade had been disconued while still a DuPont product so it is listed here as a discontinued DuPont product.
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Physical Properties	Metric	English	Comments

Density	1.49 g/cc	0.0538 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.0020 cm/cm	0.0020 in/in	ISO 294-4, 2577
Linear Mold Shrinkage, Transverse	0.011 cm/cm	0.011 in/in	ISO 294-4, 2577

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	97.0 MPa	14100 psi	ISO 527-1/-2
Elongation at Break	2.3 %	2.3 %	ISO 527-1/-2
Tensile Modulus	10.2 GPa	1480 ksi	ISO 527-1/-2
Charpy Impact, Notched	0.730 J/cm² @Temperature 23.0 °C	3.47 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Thermal Properties	Metric	English	Comments
Melting Point	223 °C	433 °F	10°C/min; ISO 11357-1/-3
	223 °C	433 °F	10°C/min; ISO 11357-1/-3
	223 °C	433 °F	10°C/min; ISO 11357-1/-3
Deflection Temperature at 1.8 MPa (264 psi)	205 °C	401 °F	ISO 75-1/-2
Flammability, UL94	V-0 @Thickness 0.750 mm	V-0 @Thickness 0.0295 in	IEC 60695-11-10
	V-0 @Thickness 1.50 mm	V-0 @Thickness 0.0591 in	IEC 60695-11-10

Processing Properties	Metric	English	Comments
Melt Temperature	250 °C	482 °F	Injection Optimum
	240 - 260 °C	464 - 500 °F	Injection
	250 °C	482 °F	Injection Optimum
	240 - 260 °C	464 - 500 °F	Injection
	<= 260 °C	<= 500 °F	Injection
Mold Temperature	30.0 - 130 °C	86.0 - 266 °F	Injection
	80.0 °C	176 °F	Injection Optimum
	30.0 - 130 °C	86.0 - 266 °F	Injection
	80.0 °C	176 °F	Injection Optimum
	<= 130 °C	<= 266 °F	Injection
Ejection Temperature	170 °C	338 °F	Injection
Drying Temperature	120 °C	248 °F	Injection
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour	Dehumidified Dryer; Injection
Moisture Content	0.040 %	0.040 %	Injection
Hold Pressure	60.0 MPa	8700 psi	Injection

Descriptive Properties
Back pressure	As low as possible		Injection
Delivery form	Pellets
Drying Recommended	yes		Injection
FMVSS Class	DNI		ISO 3795 (FMVSS 302)
Hold pressure time (s/mm)	3		Injection
Part Marking Code	PBT-GF25FR(40)		ISO 11469
Processing	Injection Molding
Resin Identification	PBT-GF25FR(40)		ISO 1043

**
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PZDSX5016c / 230530

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