Covestro Bayblend® T 45 Polycarbonate/ABS Blend

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Covestro Bayblend® T 45 Polycarbonate/ABS Blend (discontinued **)
Categories:	Polymer; Thermoplastic; ABS Polymer; Polycarbonate/ABS Alloy, Unreinforced; Polycarbonate (PC)
Material Notes:	High impact and notched impact strength, little risk of brittle fracture, high dimensional accuracy, good platable. Information provided by Bayer. As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
Key Words:	PC + ABS; Poly(Acrylonitrile-Butadiene-Styrene)
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Original Value	Comments

Density	1.10 g/cc
Moisture Absorption at Equilibrium	0.20 %	50% RH
Water Absorption at Saturation	0.70 %
	0.70 %
Linear Mold Shrinkage	0.0050 - 0.0070 cm/cm	ASTM D955
Melt Flow	12 g/10 min @Load 5.00 kg, Temperature 260 °C
Spiral Flow	61.0 cm @Thickness 2.50 mm	at 254°C melt temp.

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	50.0 MPa	ASTM D638
Tensile Strength, Yield	50.0 MPa
Elongation at Break	>= 50 %	Nominal
Elongation at Yield	4.0 %
Tensile Modulus	2.10 GPa
Flexural Modulus	2.20 GPa	ASTM D790
Izod Impact, Notched	5.30 J/cm @Thickness 3.20 mm	ASTM D256
Impact Test	30.0 J @Thickness 3.20 mm	Instrumented Total Impact; 3.2 mm thick, 12.5 mm dart, 75 mm clamp, 6.7 m/s; ASTM D3763

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+16 ohm-cm	IEC 112
Surface Resistance	1.00e+14 ohm	IEC 93
Dielectric Constant	2.0 @Frequency 100 Hz
	2.9 @Frequency 1e+6 Hz
Dielectric Strength	24.0 kV/mm
Dissipation Factor	0.0040 @Frequency 100 Hz
	0.0070 @Frequency 1e+6 Hz
Comparative Tracking Index	500 V

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	90.0 µm/m-°C @Temperature 20.0 °C
CTE, linear, Transverse to Flow	95.0 µm/m-°C @Temperature 20.0 °C
Deflection Temperature at 0.46 MPa (66 psi)	110 °C
Deflection Temperature at 1.8 MPa (264 psi)	100 °C
Vicat Softening Point	110 °C
UL RTI, Electrical	60.0 °C
UL RTI, Mechanical with Impact	60.0 °C
UL RTI, Mechanical without Impact	60.0 °C
Flammability, UL94	HB @Thickness 1.60 mm
Oxygen Index	21 %

**
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