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DuPont Performance Polymers Crastin® ST820 BK503 PBT  (Unverified Data**)

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT)
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® ST820 BK503 PBT  (Unverified Data**).pdf
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Material Notes:
Crastin® ST820 BK503 is an unreinforced, Super Tough, black polybutylene terephthalate resin for injection molding.Information provided by DuPont Performance Polymers
Physical Properties Metric English Comments
Specific Gravity 1.23 g/cc
1.23 g/cc
ASTM D792
Density 1.22 g/cc
0.0441 lb/in³
ISO 1183
Linear Mold Shrinkage 0.011 cm/cm
0.011 in/in
Flow
0.017 cm/cm
0.017 in/in
Transverse
Linear Mold Shrinkage, Flow 0.018 cm/cm

@Thickness 2.00 mm
0.018 in/in

@Thickness 0.0787 in
ISO 294-4
Linear Mold Shrinkage, Transverse 0.017 cm/cm

@Thickness 2.00 mm
0.017 in/in

@Thickness 0.0787 in
ISO 294-4
Mechanical Properties Metric English Comments
Tensile Strength 37.0 MPa

@Temperature 23.0 °C
5370 psi

@Temperature 73.4 °F
ASTM D638
Tensile Strength, Yield 36.0 MPa

@Temperature 23.0 °C
5220 psi

@Temperature 73.4 °F
ISO 527
Elongation at Break >= 50 %

@Temperature 23.0 °C
>= 50 %

@Temperature 73.4 °F
nominal; ISO 527
130 %

@Temperature 23.0 °C
130 %

@Temperature 73.4 °F
50mm/min; ISO 527
145 %

@Temperature 23.0 °C
145 %

@Temperature 73.4 °F
ASTM D638
Elongation at Yield 7.0 %

@Temperature 23.0 °C
7.0 %

@Temperature 73.4 °F
ISO 527
Tensile Modulus 1.60 GPa

@Temperature 23.0 °C
232 ksi

@Temperature 73.4 °F
ASTM D638
1.60 GPa

@Temperature 23.0 °C
232 ksi

@Temperature 73.4 °F
ISO 527
Flexural Strength 50.0 MPa

@Temperature 23.0 °C
7250 psi

@Temperature 73.4 °F
ISO 178
53.0 MPa

@Temperature 23.0 °C
7690 psi

@Temperature 73.4 °F
ASTM D790
Flexural Modulus 1.50 GPa

@Temperature 23.0 °C
218 ksi

@Temperature 73.4 °F
ISO 178
1.682 GPa

@Temperature 23.0 °C
244.0 ksi

@Temperature 73.4 °F
ASTM D790
Izod Impact, Notched 1.17 J/cm

@Temperature -40.0 °C
2.19 ft-lb/in

@Temperature -40.0 °F
ASTM D256
NB

@Temperature 23.0 °C
NB

@Temperature 73.4 °F
ASTM D256
Izod Impact, Unnotched NB

@Temperature -40.0 °C
NB

@Temperature -40.0 °F
ASTM D4812
NB

@Temperature 23.0 °C
NB

@Temperature 73.4 °F
ASTM D4812
Izod Impact, Notched (ISO) 10.0 kJ/m²

@Temperature -40.0 °C
4.76 ft-lb/in²

@Temperature -40.0 °F
ISO 180/1A
60.0 kJ/m²

@Temperature 23.0 °C
28.6 ft-lb/in²

@Temperature 73.4 °F
ISO 180/1A
Izod Impact, Unnotched (ISO) NB

@Temperature -30.0 °C
NB

@Temperature -22.0 °F
ISO 180/1U
NB

@Temperature 23.0 °C
NB

@Temperature 73.4 °F
ISO 180/1U
Charpy Impact Unnotched NB

@Temperature -30.0 °C
NB

@Temperature -22.0 °F
ISO 179/1eU
NB

@Temperature 23.0 °C
NB

@Temperature 73.4 °F
ISO 179/1eU
Charpy Impact, Notched 1.00 J/cm²

@Temperature -30.0 °C
4.76 ft-lb/in²

@Temperature -22.0 °F
ISO 179/1eA
8.50 J/cm²

@Temperature 23.0 °C
40.4 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
225 °C
437 °F
ASTM D3418
Deflection Temperature at 0.46 MPa (66 psi) 100 °C
212 °F
ISO 75-1/-2
120 °C
248 °F
ASTM D648
145 °C
293 °F
Annealed; ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 47.0 °C
117 °F
ASTM D648
50.0 °C
122 °F
ISO 75-1/-2
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+16 ohm-cm

@Temperature 23.0 °C
1.00e+16 ohm-cm

@Temperature 73.4 °F
ASTM D257
Surface Resistance 1.00e+14 ohm

@Temperature 23.0 °C
1.00e+14 ohm

@Temperature 73.4 °F
ASTM D257
Dielectric Constant 3.7

@Frequency 1.00e+6 Hz,
Temperature 23.0 °C
3.7

@Frequency 1.00e+6 Hz,
Temperature 73.4 °F
ASTM D150
3.8

@Frequency 1000 Hz,
Temperature 23.0 °C
3.8

@Frequency 1000 Hz,
Temperature 73.4 °F
ASTM D150
Dielectric Strength 15.0 kV/mm

@Thickness 3.20 mm,
Temperature 23.0 °C
381 kV/in

@Thickness 0.126 in,
Temperature 73.4 °F
Short Time; ASTM D149
23.0 kV/mm

@Thickness 1.60 mm,
Temperature 23.0 °C
584 kV/in

@Thickness 0.0630 in,
Temperature 73.4 °F
Short Time; ASTM D149
Dissipation Factor 0.0030

@Frequency 1000 Hz,
Temperature 23.0 °C
0.0030

@Frequency 1000 Hz,
Temperature 73.4 °F
ASTM D150
0.021

@Frequency 1.00e+6 Hz,
Temperature 23.0 °C
0.021

@Frequency 1.00e+6 Hz,
Temperature 73.4 °F
ASTM D150
Processing Properties Metric English Comments
Melt Temperature 250 °C
482 °F
Optimum
240 - 260 °C
464 - 500 °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 Impact Modifier
Lubricant
Appearance Black Color
Drying Recommended Yes
Features Chemical Resistance, Good
Dimensional Stability, Good
Elongation, Good
Impact Resistance, High
Moisture Absorption, Low
Processability, Good
Toughness, Good
Forms Pellets
Generic PBT
Material Status Current
Part Marking Code >PBT-HI<
ISO 11469
Processing Method Extrusion
Injection Molding
Product Category Extrusion Resins
Toughened Resins
Unreinforced Resins
Region Available - Global Yes
Resin Identification PBT-HI
ISO 1043
RoHS Compliance Contact Manufacturer
Uses Automotive Applications
Industrial Applications
Parts, Engineering
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