Covestro Bayblend® T 84 Polycarbonate/ABS Blend

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Covestro Bayblend® T 84 Polycarbonate/ABS Blend (discontinued **)
Categories:	Polymer; Thermoplastic; ABS Polymer; Polycarbonate/ABS Alloy, Unreinforced; Polycarbonate (PC)
Material Notes:	Easier flowing than BAYBLEND T 85 MN. 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)
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Physical Properties	Metric	English	Comments

Density	1.15 g/cc	0.0415 lb/in³
Moisture Absorption at Equilibrium	0.20 %	0.20 %	50% RH
Water Absorption at Saturation	0.70 %	0.70 %
	0.70 %	0.70 %
Melt Flow	19 g/10 min @Load 5.00 kg, Temperature 260 °C	19 g/10 min @Load 11.0 lb, Temperature 500 °F

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	55.0 MPa	7980 psi
Elongation at Break	>= 50 %	>= 50 %	Nominal
Elongation at Yield	4.0 %	4.0 %
Tensile Modulus	2.20 GPa	319 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	>= 1.00e+15 ohm-cm	>= 1.00e+15 ohm-cm
Surface Resistance	1.00e+14 ohm	1.00e+14 ohm
Dielectric Constant	2.0 @Frequency 100 Hz	2.0 @Frequency 100 Hz
	2.9 @Frequency 1e+6 Hz	2.9 @Frequency 1e+6 Hz
Dielectric Strength	24.0 kV/mm	610 kV/in
Dissipation Factor	0.0040 @Frequency 100 Hz	0.0040 @Frequency 100 Hz
	0.0070 @Frequency 1e+6 Hz	0.0070 @Frequency 1e+6 Hz
Arc Resistance	120 - 180 sec @Thickness 3.00 mm	120 - 180 sec @Thickness 0.118 in	UL Rating PLC 5 (120-180 sec)
Comparative Tracking Index	250 V	250 V
Hot Wire Ignition, HWI	15 - 30 sec @Thickness 3.00 mm	15 - 30 sec @Thickness 0.118 in	UL Rating PLC 3 (15-30 sec)
High Amp Arc Ignition, HAI	>= 120 arcs @Thickness 1.50 mm	>= 120 arcs @Thickness 0.0591 in	UL Rating PLC 0 (>120 arcs)

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	80.0 µm/m-°C @Temperature 20.0 °C	44.4 µin/in-°F @Temperature 68.0 °F
CTE, linear, Transverse to Flow	85.0 µm/m-°C @Temperature 20.0 °C	47.2 µin/in-°F @Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi)	128 °C	262 °F
Deflection Temperature at 1.8 MPa (264 psi)	108 °C	226 °F
Vicat Softening Point	127 °C	261 °F
UL RTI, Electrical	60.0 °C @Thickness 1.50 mm	140 °F @Thickness 0.0591 in
UL RTI, Mechanical with Impact	60.0 °C @Thickness 1.50 mm	140 °F @Thickness 0.0591 in
UL RTI, Mechanical without Impact	60.0 °C @Thickness 1.50 mm	140 °F @Thickness 0.0591 in
Flammability, UL94	HB @Thickness 1.60 mm	HB @Thickness 0.0630 in
Oxygen Index	24 %	24 %

**
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PBA050 / 26677

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