A. Schulman ComAlloy Comtuf® 425 Polyester - PBT, Glass Reinforced, Impact Modified

Category	Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT)
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® 425 Polyester - PBT, Glass Reinforced, Impact Modified.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Data provided by the manufacturer, ComAlloy International Company.40% Glass Reinforced. 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	1.54 g/cc	0.0556 lb/in³
Linear Mold Shrinkage	0.0020 cm/cm	0.0020 in/in	ASTM D955

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	115	115	ASTM D785
Tensile Strength, Ultimate	99.0 MPa	14400 psi	ASTM D638
Elongation at Break	2.5 %	2.5 %	ASTM D638
Flexural Strength	161 MPa	23400 psi	ASTM D790
Flexural Modulus	9.60 GPa	1390 ksi	ASTM D790
Izod Impact, Notched	0.910 J/cm	1.70 ft-lb/in	ASTM D256
Izod Impact, Unnotched	5.34 J/cm	10.0 ft-lb/in	ASTM D256

Thermal Properties	Metric	English	Comments
Melting Point	210 - 225 °C	410 - 437 °F
Deflection Temperature at 0.46 MPa (66 psi)	215 °C	419 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	202 °C	396 °F	ASTM D648

Processing Properties	Metric	English	Comments
Processing Temperature	240 °C	464 °F	Approximate middle barrel temperature.

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