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DuPont Performance Polymers Crastin® SK642FR 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 Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Performance Polymers Crastin® SK642FR NC010 Polybutylene Terephthalate (PBT).pdf
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Material Notes:
15% Glass Reinforced Flame Retardant Polybutylene Terephthalate Crastin SK642FR is a 15% glass fibre reinforced flame retardant polybutylene terephthalate for injection moulding.It has a UL94 V-0 rating @ 1.5mm.Information provided by DuPont Performance Polymers
Physical Properties Metric English Comments
Density 1.37 g/cc
0.0495 lb/in³
1.58 g/cc
0.0571 lb/in³
ISO 1183
Water Absorption 0.33 %

@Thickness 2.00 mm
0.33 %

@Thickness 0.0787 in
Sim. to ISO 62
Moisture Absorption 0.140 %

@Thickness 2.00 mm
0.140 %

@Thickness 0.0787 in
Sim. to ISO 62
Viscosity 102700 cP

@Shear Rate 5000 1/s,
Temperature 260 °C
102700 cP

@Shear Rate 5000 1/s,
Temperature 500 °F
ISO 11403-1 -2
122300 cP

@Shear Rate 5000 1/s,
Temperature 250 °C
122300 cP

@Shear Rate 5000 1/s,
Temperature 482 °F
ISO 11403-1 -2
147800 cP

@Shear Rate 5000 1/s,
Temperature 240 °C
147800 cP

@Shear Rate 5000 1/s,
Temperature 464 °F
ISO 11403-1 -2
310520 cP

@Shear Rate 500 1/s,
Temperature 260 °C
310520 cP

@Shear Rate 500 1/s,
Temperature 500 °F
ISO 11403-1 -2
375900 cP

@Shear Rate 500 1/s,
Temperature 250 °C
375900 cP

@Shear Rate 500 1/s,
Temperature 482 °F
ISO 11403-1 -2
460190 cP

@Shear Rate 500 1/s,
Temperature 240 °C
460190 cP

@Shear Rate 500 1/s,
Temperature 464 °F
ISO 11403-1 -2
Linear Mold Shrinkage, Flow 0.0070 cm/cm
0.0070 in/in
ISO 294-4 2577
0.0080 cm/cm
0.0080 in/in
annealed; ISO 294-4
Linear Mold Shrinkage, Transverse 0.012 cm/cm
0.012 in/in
ISO 294-4 2577
0.015 cm/cm
0.015 in/in
annealed; ISO 294-4
Mechanical Properties Metric English Comments
Tensile Strength at Break 100 MPa
14500 psi
ISO 527-1/-2
Elongation at Break 3.4 %
3.4 %
ISO 527-1/-2
Tensile Modulus 7.20 GPa
1040 ksi
ISO 527-1/-2
Flexural Strength 155 MPa
22500 psi
ISO 178
Izod Impact, Notched (ISO) 7.00 kJ/m²
3.33 ft-lb/in²
ISO 180/1A
6.00 kJ/m²

@Temperature -30.0 °C
2.86 ft-lb/in²

@Temperature -22.0 °F
ISO 180/1A
Izod Impact, Unnotched (ISO) 33.0 kJ/m²
15.7 ft-lb/in²
ISO 180/1U
32.0 kJ/m²

@Temperature -30.0 °C
15.2 ft-lb/in²

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

@Temperature -30.0 °C
20.9 ft-lb/in²

@Temperature -22.0 °F
ISO 179/1eU
Charpy Impact, Notched 0.800 J/cm²
3.81 ft-lb/in²
ISO 179/1eA
0.710 J/cm²

@Temperature -30.0 °C
3.38 ft-lb/in²

@Temperature -22.0 °F
ISO 179/1eA
Tensile Creep Modulus, 1 hour 6000 MPa

@Time 3600 sec
870000 psi

@Time 1.00 hour
ISO 899-1
Tensile Creep Modulus, 1000 hours 4800 MPa

@Time 3.60e+6 sec
696000 psi

@Time 1000 hour
ISO 899-1
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 50.0 µm/m-°C
27.8 µin/in-°F
ISO 11359-1/-2
CTE, linear, Transverse to Flow 110 µm/m-°C
61.1 µin/in-°F
ISO 11359-1/-2
Specific Heat Capacity 1.74 J/g-°C
0.416 BTU/lb-°F
Thermal Conductivity 0.270 W/m-K
1.87 BTU-in/hr-ft²-°F
of melt
Melting Point 225 °C
437 °F
10°C/min; ISO 11357-1/-3
Deflection Temperature at 0.46 MPa (66 psi) 218 °C
424 °F
ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 203 °C
397 °F
ISO 75-1/-2
Vicat Softening Point 207 °C
405 °F
50°C/h 50N; ISO 306
Flammability, UL94 V-0

@Thickness 1.50 mm
V-0

@Thickness 0.0591 in
IEC 60695-11-10
V-0

@Thickness 0.800 mm
V-0

@Thickness 0.0315 in
IEC 60695-11-10
Oxygen Index 31 %
31 %
ISO 4589-1/-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 3.5

@Frequency 1.00e+6 Hz
3.5

@Frequency 1.00e+6 Hz
IEC 60250
3.7

@Frequency 100 Hz
3.7

@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
0.017

@Frequency 1.00e+6 Hz
0.017

@Frequency 1.00e+6 Hz
IEC 60250
Comparative Tracking Index 250 V
250 V
IEC 60112
Descriptive Properties Value Comments
Delivery Form Pellets
Part Marking Code >PBT-GF15FR(17)<
ISO 11469
Processing Injection Moulding
Regional Availability Asia Pacific
Europe
Global
Near East/Africa
North America
South and Central America
Resin Identification PBT-GF15FR(17)
UL recognition UL
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