Covestro Bayblend® KU 2-1446 Polycarbonate + ABS Blend

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Covestro Bayblend® KU 2-1446 Polycarbonate + ABS Blend (discontinued **)
Categories:	Polymer; Thermoplastic; ABS Polymer; Polycarbonate/ABS Alloy, Unreinforced; Polycarbonate (PC)
Material Notes:	Key Features: Unfilled Platable Suitable processing methods: Injection molding Film extrusion Profile extrusion Sheet extrusion Blow molding Information provided by Bayer Polymers. 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	1.11 g/cc
Melt Density	0.950 g/cc @Temperature 260 °C
Water Absorption	0.70 %
Moisture Absorption at Equilibrium	0.20 %	23°C/50% R.H.
Melt Flow	5.0 g/10 min @Load 5.00 kg, Temperature 260 °C

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	45.0 MPa
Elongation at Break	>= 50 %	Nominal
Elongation at Yield	4.5 %
Tensile Modulus	1.80 GPa

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+13 ohm-cm
Surface Resistance	>= 1.00e+15 ohm
Dielectric Constant	3.0 @Frequency 1e+6 Hz
	3.1 @Frequency 100 Hz
Dielectric Strength	35.0 kV/mm
Dissipation Factor	0.0016 @Frequency 100 Hz
	0.0085 @Frequency 1e+6 Hz
Comparative Tracking Index	175 V

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	100 µm/m-°C @Temperature 20.0 °C
CTE, linear, Transverse to Flow	105 µm/m-°C @Temperature 20.0 °C
Specific Heat Capacity	1.76 J/g-°C	Melt
Thermal Conductivity	0.152 W/m-K	Melt
Deflection Temperature at 0.46 MPa (66 psi)	118 °C
Deflection Temperature at 1.8 MPa (264 psi)	97.0 °C
Vicat Softening Point	118 °C	50°C/h 50N
Flammability, UL94	HB @Thickness 1.50 mm

Processing Properties	Original Value	Comments
Melt Temperature	260 °C	Injection Molding
Mold Temperature	80.0 °C	Injection Molding
Ejection Temperature	120 °C
Injection Velocity	240 mm/sec

Descriptive Properties
Effective thermal diffusivity	0.91E-7 m²/s	Melt

**
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