DuPont Performance Polymers Crastin® SK609 BK851 PBT (Unverified Data**)

Category	Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), 50% Glass Fiber Filled
Manufacturer
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	DuPont Performance Polymers Crastin® SK609 BK851 PBT (Unverified Data**).pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Crastin® SK609 BK851 is a 50% glass fiber reinforced, lubricated, black polybutylene terephthalate resin for injection molding.Information provided by DuPont Performance Polymers

Physical Properties	Metric	English	Comments
Density	1.71 g/cc	0.0618 lb/in³	ISO 1183
Filler Content	50 %	50 %

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	145 MPa @Temperature 23.0 °C	21000 psi @Temperature 73.4 °F	ISO 527
Elongation at Break	1.7 % @Temperature 23.0 °C	1.7 % @Temperature 73.4 °F	ISO 527
Tensile Modulus	15.7 GPa @Temperature 23.0 °C	2280 ksi @Temperature 73.4 °F	ISO 527
Flexural Strength	210 MPa @Temperature 23.0 °C	30500 psi @Temperature 73.4 °F	ISO 178
Izod Impact, Notched (ISO)	10.0 kJ/m² @Temperature 23.0 °C	4.76 ft-lb/in² @Temperature 73.4 °F	ISO 180/1A
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	1.10 J/cm² @Temperature 23.0 °C	5.23 ft-lb/in² @Temperature 73.4 °F	ISO 179/1eA

Thermal Properties	Metric	English	Comments
Melting Point	225 °C	437 °F	10°C/min; ISO 11357-1/-3
Deflection Temperature at 1.8 MPa (264 psi)	210 °C	410 °F	ISO 75-1/-2
UL RTI, Electrical	130 °C @Thickness 3.00 mm	266 °F @Thickness 0.118 in	UL 746B
	130 °C @Thickness 6.00 mm	266 °F @Thickness 0.236 in	UL 746B
	130 °C @Thickness 0.750 mm	266 °F @Thickness 0.0295 in	UL 746B
	130 °C @Thickness 1.50 mm	266 °F @Thickness 0.0591 in	UL 746B
UL RTI, Mechanical with Impact	125 °C @Thickness 1.50 mm	257 °F @Thickness 0.0591 in	UL 746B
	125 °C @Thickness 3.00 mm	257 °F @Thickness 0.118 in	UL 746B
	125 °C @Thickness 6.00 mm	257 °F @Thickness 0.236 in	UL 746B
	125 °C @Thickness 0.750 mm	257 °F @Thickness 0.0295 in	UL 746B
UL RTI, Mechanical without Impact	130 °C @Thickness 6.00 mm	266 °F @Thickness 0.236 in	UL 746B
	130 °C @Thickness 3.00 mm	266 °F @Thickness 0.118 in	UL 746B
	130 °C @Thickness 1.50 mm	266 °F @Thickness 0.0591 in	UL 746B
	130 °C @Thickness 0.750 mm	266 °F @Thickness 0.0295 in	UL 746B
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
	HB @Thickness 3.00 mm	HB @Thickness 0.118 in	IEC 60695-11-10
	HB @Thickness 6.00 mm	HB @Thickness 0.236 in	IEC 60695-11-10
	HB @Thickness 3.00 mm	HB @Thickness 0.118 in	UL94
	HB @Thickness 6.00 mm	HB @Thickness 0.236 in	UL94
	HB @Thickness 0.750 mm	HB @Thickness 0.0295 in	UL94
	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in	UL94
Glow Wire Test	750 °C @Thickness 3.00 mm	1380 °F @Thickness 0.118 in	IEC 60695-2-12

Electrical Properties	Metric	English	Comments
Comparative Tracking Index	400 V @Temperature 23.0 °C	400 V @Temperature 73.4 °F	UL 746A
	500 V @Temperature 23.0 °C	500 V @Temperature 73.4 °F	IEC 60112

Processing Properties	Metric	English	Comments
Melt Temperature	260 °C	500 °F	Optimum
	260 - 270 °C	500 - 518 °F
Mold Temperature	80.0 °C	176 °F	optimum
	30.0 - 130 °C	86.0 - 266 °F
Drying Temperature	110 - 130 °C	230 - 266 °F
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour
Moisture Content	<= 0.040 %	<= 0.040 %

Descriptive Properties	Value	Comments
Additive	Lubricant
Appearance	Black Color
Drying Recommended	Yes
Features	Chemical Resistance, Good
	Dimensional Stability, Good
	Lubricated
	Moisture Absorption, Low
	Processability, Good
	Stiffness, High
	Strength, High
Filler	Glass fiber reinforcement
Forms	Pellets
Generic	PBT
Material Status	Current
Part Marking Code	>PBT-GF50<	ISO 11469
Polymer Family	Polyester
Polymer Type	PBT
Processing Method	Injection Molding
Product Category	Glass Reinforced Resins
Region Available - Global	Yes
Resin Identification	PBT-GF50	ISO 1043
RoHS Compliance	Contact Manufacturer
Uses	Automotive Applications
	General Purpose
	Industrial Applications
	Parts, Engineering
	Parts, Machine/Mechanical
	Structural Parts

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