Covestro Bayblend® FR 90 Polycarbonate/ABS Blend

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Covestro Bayblend® FR 90 Polycarbonate/ABS Blend (discontinued **)
Categories:	Polymer; Thermoplastic; ABS Polymer; Polycarbonate/ABS Alloy, Unreinforced; Polycarbonate (PC)
Material Notes:	Flame retardant grade with antimony, chlorine and bromine free, flame retardant package, good light stability. Applications: Housings for business machines. 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	Metric	English	Comments

Density	1.17 g/cc	0.0423 lb/in³
Moisture Absorption at Equilibrium	0.20 %	0.20 %	50% RH
Water Absorption at Saturation	0.70 %	0.70 %
	0.70 %	0.70 %
Linear Mold Shrinkage	0.0040 - 0.0060 cm/cm	0.0040 - 0.0060 in/in	ASTM D955
Melt Flow	20 g/10 min @Load 5.00 kg, Temperature 240 °C	20 g/10 min @Load 11.0 lb, Temperature 464 °F
Spiral Flow	71.0 cm @Thickness 2.50 mm	28.0 in @Thickness 0.0984 in	at 255°C melt temp.

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	121	121	ASTM D785
Tensile Strength, Ultimate	45.0 MPa	6530 psi	ASTM D638
Tensile Strength, Yield	60.0 MPa	8700 psi
Elongation at Break	70 %	70 %	ASTM D638
Elongation at Yield	4.0 %	4.0 %
Tensile Modulus	2.70 GPa	392 ksi
Flexural Yield Strength	100 MPa	14500 psi	at 5% strain; ASTM D790
Flexural Modulus	2.80 GPa	406 ksi	ASTM D790
Izod Impact, Notched	5.30 J/cm @Thickness 3.20 mm	9.93 ft-lb/in @Thickness 0.126 in	ASTM D256
Impact Test	57.0 J @Thickness 3.20 mm	42.0 ft-lb @Thickness 0.126 in	Instrumented Total Impact; 12.5 mm dart, 75 mm clamp, 6.7 m/s; ASTM D3763
Tensile Creep Modulus, 1 hour	2500 MPa	363000 psi
Tensile Creep Modulus, 1000 hours	1900 MPa	276000 psi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	>= 1.00e+15 ohm-cm	>= 1.00e+15 ohm-cm
Surface Resistance	>= 1.00e+15 ohm	>= 1.00e+15 ohm
Dielectric Constant	2.9 @Frequency 1e+6 Hz	2.9 @Frequency 1e+6 Hz
	3.0 @Frequency 100 Hz	3.0 @Frequency 100 Hz
Dielectric Strength	30.0 kV/mm	762 kV/in
Dissipation Factor	0.0050 @Frequency 100 Hz	0.0050 @Frequency 100 Hz
	0.0070 @Frequency 1e+6 Hz	0.0070 @Frequency 1e+6 Hz
Arc Resistance	60 - 120 sec @Thickness 3.00 mm	60 - 120 sec @Thickness 0.118 in	UL Rating PLC 6 (60-120 sec)
Comparative Tracking Index	300 V	300 V
Hot Wire Ignition, HWI	60 - 120 sec @Thickness 3.00 mm	60 - 120 sec @Thickness 0.118 in	UL Rating PLC 1 (60-120 sec)
High Amp Arc Ignition, HAI	>= 120 arcs @Thickness 1.50 mm	>= 120 arcs @Thickness 0.0591 in	UL Rating PLC 0 (>120 arcs)
High Voltage Arc-Tracking Rate, HVTR	>= 150 mm/min @Thickness 3.00 mm	>= 5.91 in/min @Thickness 0.118 in	UL Rating PLC 4 (>150 mm/min.)

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	76.0 µm/m-°C @Temperature 20.0 °C	42.2 µin/in-°F @Temperature 68.0 °F
CTE, linear, Transverse to Flow	80.0 µm/m-°C @Temperature 20.0 °C	44.4 µin/in-°F @Temperature 68.0 °F
Deflection Temperature at 0.46 MPa (66 psi)	90.0 °C	194 °F
Deflection Temperature at 1.8 MPa (264 psi)	80.0 °C	176 °F
Vicat Softening Point	88.0 °C	190 °F
UL RTI, Electrical	85.0 °C @Thickness 1.00 mm	185 °F @Thickness 0.0394 in
UL RTI, Mechanical with Impact	75.0 °C @Thickness 1.50 mm	167 °F @Thickness 0.0591 in
UL RTI, Mechanical without Impact	80.0 °C @Thickness 1.50 mm	176 °F @Thickness 0.0591 in
Flammability, UL94	V-0 @Thickness 1.60 mm	V-0 @Thickness 0.0630 in
Oxygen Index	30 %	30 %

Processing Properties	Metric	English	Comments
Melt Temperature	220 - 270 °C	428 - 518 °F

**
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