Covestro Bayblend® R-FR 390 Polycarbonate/ABS Blend

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Covestro Bayblend® R-FR 390 Polycarbonate/ABS Blend (discontinued **)
Categories:	Polymer; Renewable/Recycled Polymer; Thermoplastic; ABS Polymer; Polycarbonate/ABS Alloy, Unreinforced; Polycarbonate (PC)
Material Notes:	FR-recycled grades with variable recycled content. Applications: Housings for office equipment, electrical engineering, computer sectors. Information provided by Bayer. 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.
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	1.18 g/cc
Moisture Absorption at Equilibrium	0.20 %	50% RH
Water Absorption at Saturation	0.70 %
	0.70 %
Melt Flow	21 g/10 min @Load 5.00 kg, Temperature 240 °C

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	55.0 MPa
Elongation at Break	40 %	Nominal
Elongation at Yield	3.0 %
Tensile Modulus	2.60 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	>= 1.00e+15 ohm-cm
Surface Resistance	>= 1.00e+15 ohm
Dielectric Constant	2.9 @Frequency 1e+6 Hz
	3.0 @Frequency 100 Hz
Dielectric Strength	30.0 kV/mm
Dissipation Factor	0.0050 @Frequency 100 Hz
	0.0070 @Frequency 1e+6 Hz
Comparative Tracking Index	300 V

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	75.0 µm/m-°C @Temperature 20.0 °C
CTE, linear, Transverse to Flow	80.0 µm/m-°C @Temperature 20.0 °C
Deflection Temperature at 0.46 MPa (66 psi)	85.0 °C
Deflection Temperature at 1.8 MPa (264 psi)	75.0 °C
Vicat Softening Point	84.0 °C
Flammability, UL94	V-0 @Thickness 1.60 mm
Oxygen Index	34 %

**
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PBA041 / 26668

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