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DuPont Performance Polymers Crastin® S620F20 BK851 Polybutylene Terephthalate (PBT)  (Unverified Data**)&l

Category Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT)
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® S620F20 BK851 Polybutylene Terephthalate (PBT)  (Unverified Data**)&l.pdf
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Material Notes:
Unreinforced Medium Viscosity Polybutylene Terephthalate Crastin S620F20 BK851 is an unreinforced nucleated lubricated medium viscosity black polybutylene terephthalate resin for fast injection molding.Information provided by DuPont Performance Polymers
Physical Properties Metric English Comments
Density 1.31 g/cc
0.0473 lb/in³
ISO 1183
Mechanical Properties Metric English Comments
Tensile Strength, Yield 59.0 MPa
8560 psi
ISO 527-1/-2
Elongation at Break 30 %
30 %
Nominal; ISO 527-1/-2
Elongation at Yield 8.0 %
8.0 %
ISO 527-1/-2
Tensile Modulus 2.60 GPa
377 ksi
ISO 527-1/-2
Flexural Strength 88.0 MPa
12800 psi
ISO 178
Izod Impact, Notched (ISO) 4.00 kJ/m²
1.90 ft-lb/in²
ISO 180/1A
Charpy Impact, Notched 0.400 J/cm²
1.90 ft-lb/in²
ISO 179/1eA
Thermal Properties Metric English Comments
Melting Point 225 °C
437 °F
10°C/min; ISO 11357-1/-3
Flammability, UL94 HB

@Thickness 1.50 mm
HB

@Thickness 0.0591 in
IEC 60695-11-10
Electrical Properties Metric English Comments
Comparative Tracking Index 250 V
250 V
IEC 60112
Descriptive Properties Value Comments
Part Marking Code >PBT<
ISO 11469
Processing Injection Moulding
Regional Availability Asia Pacific
Europe
Global
Near East/Africa
North America
South and Central America
Resin Identification PBT
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