A. Schulman ComAlloy Comtuf® 420 Polyester - PBT, High Impact Modified

Category	Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), Impact Grade
Manufacturer	A. Schulman ComAlloy
Trade Name	COMTUF®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	A. Schulman ComAlloy Comtuf® 420 Polyester - PBT, High Impact Modified.pdf
Price	EMAIL US sales@lookpolymers.com
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Material Notes:

Data provided by the manufacturer, ComAlloy International Company. Superior toughness and impact resistance characterize Comtuf® materialsThe ComAlloy product line has been integrated into the A Schulman product line.

Physical Properties	Metric	English	Comments
Density	1.26 g/cc	0.0455 lb/in³
Linear Mold Shrinkage	0.018 cm/cm	0.018 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	107	107	ASTM D785
Tensile Strength, Ultimate	28.0 MPa	4060 psi	ASTM D638
Elongation at Break	34.2 %	34.2 %	ASTM D638
Flexural Strength	61.0 MPa	8850 psi	ASTM D790
Flexural Modulus	1.70 GPa	247 ksi	ASTM D790
Izod Impact, Notched	8.11 J/cm	15.2 ft-lb/in	ASTM D256
Izod Impact, Unnotched	NB	NB	ASTM D256

Thermal Properties	Metric	English	Comments
Melting Point	210 - 225 °C	410 - 437 °F
Deflection Temperature at 0.46 MPa (66 psi)	154 °C	309 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	56.0 °C	133 °F	ASTM D648

Processing Properties	Metric	English	Comments
Middle Barrel Temperature	224 - 241 °C	435 - 466 °F

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