DuPont Performance Polymers Crastin® SK608 BK509 Polybutylene Terephthalate (PBT) (Unverified Data**)

Category	Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), 50% Glass Fiber Filled
Manufacturer	DuPont Performance Polymers
Trade Name	Crastin®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	DuPont Performance Polymers Crastin® SK608 BK509 Polybutylene Terephthalate (PBT) (Unverified Data**).pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

45% Glass Reinforced Polybutylene Terephthalate Crastin SK608 BK509 is a 45% glass fiber reinforced lubricated black polybutylene terephthalate resin for injection molding.Information provided by DuPont Performance Polymers

Physical Properties	Metric	English	Comments
Density	1.47 g/cc	0.0531 lb/in³
	1.66 g/cc	0.0600 lb/in³	ISO 1183
Water Absorption	0.30 % @Thickness 2.00 mm	0.30 % @Thickness 0.0787 in	Sim. to ISO 62
Moisture Absorption	0.100 % @Thickness 2.00 mm	0.100 % @Thickness 0.0787 in	Sim. to ISO 62
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	140 MPa	20300 psi	ISO 527-1/-2
Tensile Stress	18.7 MPa @Strain 0.270 %, Temperature 90.0 °C	2710 psi @Strain 0.270 %, Temperature 194 °F	ISO 11403-1 -2
	20.51 MPa @Strain 0.150 %, Temperature 23.0 °C	2975 psi @Strain 0.150 %, Temperature 73.4 °F	ISO 11403-1 -2
	21.01 MPa @Strain 0.210 %, Temperature 40.0 °C	3047 psi @Strain 0.210 %, Temperature 104 °F	ISO 11403-1 -2
	43.69 MPa @Strain 0.800 %, Temperature 90.0 °C	6337 psi @Strain 0.800 %, Temperature 194 °F	ISO 11403-1 -2
	59.23 MPa @Strain 1.42 %, Temperature 90.0 °C	8591 psi @Strain 1.42 %, Temperature 194 °F	ISO 11403-1 -2
	65.6 MPa @Strain 0.750 %, Temperature 40.0 °C	9510 psi @Strain 0.750 %, Temperature 104 °F	ISO 11403-1 -2
	67.39 MPa @Strain 2.03 %, Temperature 90.0 °C	9774 psi @Strain 2.03 %, Temperature 194 °F	ISO 11403-1 -2
	71.91 MPa @Strain 0.580 %, Temperature 23.0 °C	10430 psi @Strain 0.580 %, Temperature 73.4 °F	ISO 11403-1 -2
	91.43 MPa @Strain 1.30 %, Temperature 40.0 °C	13260 psi @Strain 1.30 %, Temperature 104 °F	ISO 11403-1 -2
	108.1 MPa @Strain 1.00 %, Temperature 23.0 °C	15680 psi @Strain 1.00 %, Temperature 73.4 °F	ISO 11403-1 -2
	129.8 MPa @Strain 1.43 %, Temperature 23.0 °C	18830 psi @Strain 1.43 %, Temperature 73.4 °F	ISO 11403-1 -2
Elongation at Break	2.0 %	2.0 %	ISO 527-1/-2
Tensile Modulus	14.2 GPa	2060 ksi	ISO 527-1/-2
Flexural Strength	210 MPa	30500 psi	ISO 178
Flexural Modulus	13.3 GPa	1930 ksi	ISO 178
Shear Modulus	0.6417 GPa @Temperature 160 °C	93.07 ksi @Temperature 320 °F	Dynamic; ISO 11403-1 -2
	0.812 GPa @Temperature 120 °C	118 ksi @Temperature 248 °F	Dynamic; ISO 11403-1 -2
	1.167 GPa @Temperature 70.0 °C	169.2 ksi @Temperature 158 °F	Dynamic; ISO 11403-1 -2
	2.263 GPa @Temperature 20.0 °C	328.3 ksi @Temperature 68.0 °F	Dynamic; ISO 11403-1 -2
	2.438 GPa @Temperature -20.0 °C	353.7 ksi @Temperature -4.00 °F	Dynamic; ISO 11403-1 -2
	2.578 GPa @Temperature -50.0 °C	374.0 ksi @Temperature -58.0 °F	Dynamic; ISO 11403-1 -2
Secant Modulus	6.275 GPa @Strain 1.60 %, Temperature 40.0 °C	910.1 ksi @Strain 1.60 %, Temperature 104 °F	ISO 11403-1 -2
	8.75 GPa @Strain 0.750 %, Temperature 40.0 °C	1270 ksi @Strain 0.750 %, Temperature 104 °F	ISO 11403-1 -2
	10.0 GPa @Strain 0.210 %, Temperature 40.0 °C	1450 ksi @Strain 0.210 %, Temperature 104 °F	ISO 11403-1 -2
	10.193 GPa @Strain 1.14 %, Temperature 23.0 °C	1478.4 ksi @Strain 1.14 %, Temperature 73.4 °F	ISO 11403-1 -2
	12.4 GPa @Strain 0.580 %, Temperature 23.0 °C	1800 ksi @Strain 0.580 %, Temperature 73.4 °F	ISO 11403-1 -2
	13.7 GPa @Strain 0.150 %, Temperature 23.0 °C	1980 ksi @Strain 0.150 %, Temperature 73.4 °F	ISO 11403-1 -2
Izod Impact, Notched (ISO)	10.0 kJ/m²	4.76 ft-lb/in²	ISO 180/1A
	10.0 kJ/m² @Temperature -30.0 °C	4.76 ft-lb/in² @Temperature -22.0 °F	ISO 180/1A
Charpy Impact Unnotched	5.50 J/cm²	26.2 ft-lb/in²	ISO 179/1eU
	6.50 J/cm² @Temperature -30.0 °C	30.9 ft-lb/in² @Temperature -22.0 °F	ISO 179/1eU
Charpy Impact, Notched	1.00 J/cm²	4.76 ft-lb/in²	ISO 179/1eA

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	20.0 µm/m-°C	11.1 µin/in-°F	ISO 11359-1/-2
CTE, linear, Transverse to Flow	80.0 µm/m-°C	44.4 µin/in-°F	ISO 11359-1/-2
Melting Point	225 °C	437 °F	10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi)	222 °C	432 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	207 °C	405 °F	ISO 75-1/-2
Vicat Softening Point	215 °C	419 °F	50°C/h 50N; ISO 306
Flammability, UL94	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in	IEC 60695-11-10
	HB @Thickness 0.800 mm	HB @Thickness 0.0315 in	IEC 60695-11-10
Oxygen Index	20 %	20 %	ISO 4589-1/-2

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm	>= 1.00e+15 ohm-cm	IEC 60093
Dielectric Constant	3.9 @Frequency 1.00e+6 Hz	3.9 @Frequency 1.00e+6 Hz	IEC 60250
	4.1 @Frequency 100 Hz	4.1 @Frequency 100 Hz	IEC 60250
Dielectric Strength	32.0 kV/mm	813 kV/in	IEC 60243-1
Dissipation Factor	0.0038 @Frequency 100 Hz	0.0038 @Frequency 100 Hz	IEC 60250
	0.013 @Frequency 1.00e+6 Hz	0.013 @Frequency 1.00e+6 Hz	IEC 60250
Comparative Tracking Index	475 V	475 V	IEC 60112

Descriptive Properties	Value	Comments
Additives	Release agent
Delivery Form	Pellets
Part Marking Code	>PBT-GF45<	ISO 11469
Processing	Injection Moulding
	Other Extrusion
	Profile Extrusion
Regional Availability	Asia Pacific
	Europe
	Global
	Near East/Africa
	North America
	South and Central America
Resin Identification	PBT-GF45
UL recognition	UL

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