DuPont Mobility and Materials Crastin® SK615SF BK591 PBT-GF30

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DuPont Mobility and Materials Crastin® SK615SF BK591 PBT-GF30 (discontinued **)
Categories:	Polymer; Thermoplastic; Polyester, TP; Polybutylene Terephthalate (PBT); Polybutylene Terephthalate (PBT), 30% Glass Fiber Filled
Material Notes:	30% Glass Reinforced Low Viscosity Laser Markable Polybutylene Terephthalate Developed for Super Fast Production 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	1.53 g/cc	0.0553 lb/in³	ISO 1183
Linear Mold Shrinkage, Flow	0.0030 cm/cm	0.0030 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	145 MPa	21000 psi	ISO 527-1/-2
Elongation at Break	2.5 %	2.5 %	ISO 527-1/-2
Tensile Modulus	9.90 GPa	1440 ksi	ISO 527-1/-2
Poissons Ratio	0.34	0.34	ISO 527-1/-2
Charpy Impact, Notched	0.900 J/cm² @Temperature 23.0 °C	4.28 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Thermal Properties	Metric	English	Comments
Melting Point	222 °C	432 °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	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in	IEC 60695-11-10
	HB @Thickness 3.00 mm	HB @Thickness 0.118 in	IEC 60695-11-10
Flame Spread	78.0 mm/min @Thickness 1.00 mm	3.07 in/min @Thickness 0.0394 in	ISO 3795 (FMVSS 302)

Processing Properties	Metric	English	Comments
Melt Temperature	240 °C	464 °F	Injection Optimum
	235 - 260 °C	455 - 500 °F	Injection
Mold Temperature	30.0 - 130 °C	86.0 - 266 °F	Injection
	80.0 °C	176 °F	Injection Optimum
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
Drying Recommended	yes		Injection
FMVSS Class	B		ISO 3795 (FMVSS 302)
Hold pressure time (s/mm)	3		Injection
Part Marking Code	PBT-GF30		ISO 11469
Processing	Injection Molding
Regional Availability	Europe
	Near East/Africa
	North America
	South and Central America
Resin Identification	PBT-GF30		ISO 1043
Rheological Flow length	410 mm		80 MPa and 2 mm width/thickness

**
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PDSX5064 / 197704

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