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
Price	EMAIL US sales@lookpolymers.com
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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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