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

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), Impact Grade
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® ST820 BK503 Polybutylene Terephthalate (PBT)  (Unverified Data**).pdf
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Material Notes:
Unreinforced Polybutylene Terephthalate with Excellent Impact Resistance 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
Density 1.22 g/cc
0.0441 lb/in³
ISO 1183
Linear Mold Shrinkage, Flow 0.018 cm/cm
0.018 in/in
ISO 294-4 2577
Linear Mold Shrinkage, Transverse 0.017 cm/cm
0.017 in/in
ISO 294-4 2577
Mechanical Properties Metric English Comments
Tensile Strength, Yield 36.0 MPa
5220 psi
ISO 527-1/-2
Elongation at Break >= 50 %
>= 50 %
Nominal; ISO 527-1/-2
Elongation at Yield 7.0 %
7.0 %
ISO 527-1/-2
Tensile Modulus 1.60 GPa
232 ksi
ISO 527-1/-2
Flexural Strength 50.0 MPa
7250 psi
ISO 178
Flexural Modulus 1.50 GPa
218 ksi
ISO 178
Izod Impact, Notched (ISO) 60.0 kJ/m²
28.6 ft-lb/in²
ISO 180/1A
10.0 kJ/m²

@Temperature -40.0 °C
4.76 ft-lb/in²

@Temperature -40.0 °F
ISO 180/1A
Izod Impact, Unnotched (ISO) NB
NB
ISO 180/1U
NB

@Temperature -30.0 °C
NB

@Temperature -22.0 °F
ISO 180/1U
Charpy Impact Unnotched NB
NB
ISO 179/1eU
NB

@Temperature -30.0 °C
NB

@Temperature -22.0 °F
ISO 179/1eU
Charpy Impact, Notched 8.50 J/cm²
40.4 ft-lb/in²
ISO 179/1eA
1.00 J/cm²

@Temperature -30.0 °C
4.76 ft-lb/in²

@Temperature -22.0 °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 0.46 MPa (66 psi) 100 °C
212 °F
ISO 75-1/-2
145 °C
293 °F
annealed; ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 50.0 °C
122 °F
ISO 75-1/-2
Descriptive Properties Value Comments
Part Marking Code >PBT-HI<
ISO 11469
Processing Coatable
Injection Moulding
Other Extrusion
Profile Extrusion
Sheet Extrusion
Regional Availability Asia Pacific
Europe
Global
Near East/Africa
North America
South and Central America
Resin Identification PBT-HI
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