Covestro Bayblend® 2773 Polycarbonate + ABS Blend, Automotive

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Covestro Bayblend® 2773 Polycarbonate + ABS Blend, Automotive (discontinued **)
Categories:	Polymer; Thermoplastic; ABS Polymer; Polycarbonate/ABS Alloy, Unreinforced; Polycarbonate (PC)
Material Notes:	Information provided by Bayer Corporation, Plastics Division As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and has officially adopted its new name – Covestro. This product was discontinued prior to the separation.
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Physical Properties	Original Value	Comments

Density	1.14 g/cc	ASTM D792
Linear Mold Shrinkage	0.0080 cm/cm	ASTM D955
Spiral Flow	51.0 cm @Thickness 2.50 mm	at 254°C melt temp.

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	118	ASTM D785
Tensile Strength, Yield	55.0 MPa	ASTM D638
Elongation at Break	82 %	ASTM D638
Tensile Modulus	2.60 GPa	ASTM D638
Flexural Yield Strength	92.0 MPa	ASTM D790
Flexural Modulus	2.34 GPa	ASTM D790
Izod Impact, Notched	4.20 J/cm @Temperature -40.0 °C	ASTM D256
	7.50 J/cm @Thickness 3.17 mm	ASTM D256
Instrumented Impact Total Energy	43.0 J	Instrumented Impact, Total Energy; 2.5 mm thick, 7.6 mph, 3 in. clamp, 0.5 in. dart; ASTM D3763

Electrical Properties	Original Value	Comments
Comparative Tracking Index	250 V	IEC 112

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	128 °C @Thickness 3.20 mm	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	112 °C @Thickness 3.17 mm	ASTM D648
Vicat Softening Point	127 °C	Rate B; ISO 306
UL RTI, Electrical	85.0 °C @Thickness 1.57 mm
UL RTI, Mechanical with Impact	85.0 °C @Thickness 1.57 mm
UL RTI, Mechanical without Impact	85.0 °C @Thickness 1.57 mm
Flammability, UL94	HB @Thickness 1.67 mm
	HB @Thickness 1.67 mm

**
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