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
Price	EMAIL US sales@lookpolymers.com
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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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