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DuPont Performance Polymers Crastin® SK643FR NC010 Polybutylene Terephthalate (PBT)

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), 20% Glass Fiber Filled
Manufacturer DuPont Performance Polymers
Trade Name Crastin®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Performance Polymers Crastin® SK643FR NC010 Polybutylene Terephthalate (PBT).pdf
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Material Notes:
20% Glass Reinforced Flame Retardant Polybutylene Terephthalate Crastin SK643FR is a flame retardant 20% glass reinforced polybutylene terephthalate molding resin. It is recognized as UL94V-0 at 0.8mm.Information provided by DuPont Performance Polymers
Physical Properties Metric English Comments
Density 1.63 g/cc
0.0589 lb/in³
ISO 1183
Water Absorption 0.32 %

@Thickness 2.00 mm
 0.32 %

@Thickness 0.0787 in
 Sim. to ISO 62
Moisture Absorption 0.130 %

@Thickness 2.00 mm
 0.130 %

@Thickness 0.0787 in
 Sim. to ISO 62
Linear Mold Shrinkage, Flow 0.0050 cm/cm
0.0050 in/in
ISO 294-4 2577
0.0060 cm/cm
0.0060 in/in
annealed; ISO 294-4
Linear Mold Shrinkage, Transverse 0.012 cm/cm
0.012 in/in
ISO 294-4 2577
0.0145 cm/cm
0.0145 in/in
annealed; ISO 294-4
Mechanical Properties Metric English Comments
Tensile Strength at Break 113 MPa
16400 psi
ISO 527-1/-2
Tensile Stress 6.14 MPa

@Strain 0.250 %,
Temperature 160 °C
 891 psi

@Strain 0.250 %,
Temperature 320 °F
 ISO 11403-1 -2
16.1 MPa

@Strain 0.250 %,
Temperature 40.0 °C
 2340 psi

@Strain 0.250 %,
Temperature 104 °F
 ISO 11403-1 -2
20.0 MPa

@Strain 0.250 %,
Temperature 23.0 °C
 2900 psi

@Strain 0.250 %,
Temperature 73.4 °F
 ISO 11403-1 -2
23.5 MPa

@Strain 0.250 %,
Temperature 0.000 °C
 3410 psi

@Strain 0.250 %,
Temperature 32.0 °F
 ISO 11403-1 -2
24.8 MPa

@Strain 0.250 %,
Temperature -20.0 °C
 3600 psi

@Strain 0.250 %,
Temperature -4.00 °F
 ISO 11403-1 -2
25.5 MPa

@Strain 0.250 %,
Temperature -40.0 °C
 3700 psi

@Strain 0.250 %,
Temperature -40.0 °F
 ISO 11403-1 -2
26.3 MPa

@Strain 1.50 %,
Temperature 160 °C
 3810 psi

@Strain 1.50 %,
Temperature 320 °F
 ISO 11403-1 -2
37.3 MPa

@Strain 3.00 %,
Temperature 160 °C
 5410 psi

@Strain 3.00 %,
Temperature 320 °F
 ISO 11403-1 -2
77.7 MPa

@Strain 1.50 %,
Temperature 40.0 °C
 11300 psi

@Strain 1.50 %,
Temperature 104 °F
 ISO 11403-1 -2
86.8 MPa

@Strain 1.50 %,
Temperature 23.0 °C
 12600 psi

@Strain 1.50 %,
Temperature 73.4 °F
 ISO 11403-1 -2
104 MPa

@Strain 1.50 %,
Temperature 0.000 °C
 15100 psi

@Strain 1.50 %,
Temperature 32.0 °F
 ISO 11403-1 -2
108 MPa

@Strain 1.50 %,
Temperature -20.0 °C
 15700 psi

@Strain 1.50 %,
Temperature -4.00 °F
 ISO 11403-1 -2
111 MPa

@Strain 1.50 %,
Temperature -40.0 °C
 16100 psi

@Strain 1.50 %,
Temperature -40.0 °F
 ISO 11403-1 -2
Elongation at Break 3.0 %
3.0 %
ISO 527-1/-2
Tensile Modulus 8.50 GPa
1230 ksi
ISO 527-1/-2
Flexural Strength 170 MPa
24700 psi
ISO 178
Secant Modulus 1.62 GPa

@Strain 3.50 %,
Temperature 100 °C
 235 ksi

@Strain 3.50 %,
Temperature 212 °F
 ISO 11403-1 -2
1.81 GPa

@Strain 3.50 %,
Temperature 80.0 °C
 263 ksi

@Strain 3.50 %,
Temperature 176 °F
 ISO 11403-1 -2
2.84 GPa

@Strain 1.50 %,
Temperature 100 °C
 412 ksi

@Strain 1.50 %,
Temperature 212 °F
 ISO 11403-1 -2
3.03 GPa

@Strain 1.50 %,
Temperature 80.0 °C
 439 ksi

@Strain 1.50 %,
Temperature 176 °F
 ISO 11403-1 -2
3.94 GPa

@Strain 0.250 %,
Temperature 100 °C
 571 ksi

@Strain 0.250 %,
Temperature 212 °F
 ISO 11403-1 -2
4.24 GPa

@Strain 0.250 %,
Temperature 80.0 °C
 615 ksi

@Strain 0.250 %,
Temperature 176 °F
 ISO 11403-1 -2
5.18 GPa

@Strain 1.50 %,
Temperature 40.0 °C
 751 ksi

@Strain 1.50 %,
Temperature 104 °F
 ISO 11403-1 -2
5.79 GPa

@Strain 1.50 %,
Temperature 23.0 °C
 839 ksi

@Strain 1.50 %,
Temperature 73.4 °F
 ISO 11403-1 -2
6.44 GPa

@Strain 0.250 %,
Temperature 40.0 °C
 934 ksi

@Strain 0.250 %,
Temperature 104 °F
 ISO 11403-1 -2
6.93 GPa

@Strain 1.50 %,
Temperature 0.000 °C
 1010 ksi

@Strain 1.50 %,
Temperature 32.0 °F
 ISO 11403-1 -2
7.20 GPa

@Strain 1.50 %,
Temperature -20.0 °C
 1040 ksi

@Strain 1.50 %,
Temperature -4.00 °F
 ISO 11403-1 -2
7.40 GPa

@Strain 1.50 %,
Temperature -40.0 °C
 1070 ksi

@Strain 1.50 %,
Temperature -40.0 °F
 ISO 11403-1 -2
8.00 GPa

@Strain 0.250 %,
Temperature 23.0 °C
 1160 ksi

@Strain 0.250 %,
Temperature 73.4 °F
 ISO 11403-1 -2
9.40 GPa

@Strain 0.250 %,
Temperature 0.000 °C
 1360 ksi

@Strain 0.250 %,
Temperature 32.0 °F
 ISO 11403-1 -2
9.92 GPa

@Strain 0.250 %,
Temperature -20.0 °C
 1440 ksi

@Strain 0.250 %,
Temperature -4.00 °F
 ISO 11403-1 -2
10.2 GPa

@Strain 0.250 %,
Temperature -40.0 °C
 1480 ksi

@Strain 0.250 %,
Temperature -40.0 °F
 ISO 11403-1 -2
Izod Impact, Notched (ISO) 8.00 kJ/m²
3.81 ft-lb/in²
ISO 180/1A
7.00 kJ/m²

@Temperature -30.0 °C
 3.33 ft-lb/in²

@Temperature -22.0 °F
 ISO 180/1A
Izod Impact, Unnotched (ISO) 36.0 kJ/m²
17.1 ft-lb/in²
ISO 180/1U
35.0 kJ/m²

@Temperature -30.0 °C
 16.7 ft-lb/in²

@Temperature -22.0 °F
 ISO 180/1U
Charpy Impact Unnotched 5.50 J/cm²
26.2 ft-lb/in²
ISO 179/1eU
5.30 J/cm²

@Temperature -30.0 °C
 25.2 ft-lb/in²

@Temperature -22.0 °F
 ISO 179/1eU
Charpy Impact, Notched 0.850 J/cm²
4.04 ft-lb/in²
ISO 179/1eA
0.780 J/cm²

@Temperature -30.0 °C
 3.71 ft-lb/in²

@Temperature -22.0 °F
 ISO 179/1eA
Tensile Creep Modulus, 1 hour 7200 MPa

@Time 3600 sec
 1.04e+6 psi

@Time 1.00 hour
 ISO 899-1
Tensile Creep Modulus, 1000 hours 5500 MPa

@Time 3.60e+6 sec
 798000 psi

@Time 1000 hour
 ISO 899-1
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 40.0 µm/m-°C
22.2 µin/in-°F
ISO 11359-1/-2
CTE, linear, Transverse to Flow 100 µm/m-°C
55.6 µin/in-°F
ISO 11359-1/-2
100 µm/m-°C

@Temperature -40.0 °C
 55.6 µin/in-°F

@Temperature -40.0 °F
 ISO 11403-1 -2
100 µm/m-°C

@Temperature 23.0 °C
 55.6 µin/in-°F

@Temperature 73.4 °F
 ISO 11403-1 -2
100 µm/m-°C

@Temperature 55.0 °C
 55.6 µin/in-°F

@Temperature 131 °F
 ISO 11403-1 -2
Melting Point 225 °C
437 °F
10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi) 220 °C
428 °F
ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 205 °C
401 °F
ISO 75-1/-2
Electrical Properties Metric English Comments
Volume Resistivity >= 1.00e+15 ohm-cm
>= 1.00e+15 ohm-cm
IEC 60093
Surface Resistance 1.00e+15 ohm
1.00e+15 ohm
IEC 60093
Dielectric Constant 3.7

@Frequency 1.00e+6 Hz
 3.7

@Frequency 1.00e+6 Hz
 IEC 60250
3.8

@Frequency 100 Hz
 3.8

@Frequency 100 Hz
 IEC 60250
Dielectric Strength 28.0 kV/mm
711 kV/in
IEC 60243-1
Dissipation Factor 0.0030

@Frequency 100 Hz
 0.0030

@Frequency 100 Hz
 IEC 60250
0.016

@Frequency 1.00e+6 Hz
 0.016

@Frequency 1.00e+6 Hz
 IEC 60250
Comparative Tracking Index 250 V
250 V
IEC 60112
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