Covestro Bayblend® W85 HI PC ASA Blend

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Covestro Bayblend® W85 HI PC ASA Blend
Categories:	Polymer; Thermoplastic; ASA Polymer; Polycarbonate (PC); Polycarbonate/ASA Alloy, Unreinforced
Material Notes:	PC+ASA-Blend; Vicat/B 120 temperature = 132 °C; easy flowing; improved weather resistance; excellent low temperature ductility; good heat resistance As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
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Physical Properties	Original Value	Comments

Density	1.165 g/cc	ISO 1183-1
Moisture Absorption at Equilibrium	0.20 %	ISO 62
Water Absorption at Saturation	0.50 %	ISO 62
Viscosity	251000 cP @Shear Rate 1000 1/s, Temperature 260 °C	melt viscosity; b.o. ISO 11443-A
Melt Flow	21 g/10 min @Load 5.00 kg, Temperature 260 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	58.0 MPa	50 mm/min; ISO 527-1,-2
Tensile Strength, Yield	56.0 MPa	50 mm/min; ISO 527-1,-2
Elongation at Break	>= 50 %	50 mm/min; b.o. ISO 527-1,-2
Elongation at Yield	5.0 %	50 mm/min; ISO 527-1,-2
Tensile Modulus	2250 MPa	1 mm/min; ISO 527-1,-2
Izod Impact, Notched (ISO)	38.0 kJ/m² @Temperature -30.0 °C	ISO 180-A
	48.0 kJ/m² @Temperature 23.0 °C	ISO 180-A
Puncture Energy	45.0 J @Temperature 23.0 °C	ISO 6603-2
	45.0 J @Temperature -30.0 °C	ISO 6603-2

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+14 ohm-cm	IEC 60093
Surface Resistance	1.00e+16 ohm	IEC 60093
Dielectric Constant	3.0 @Frequency 1e+6 Hz	IEC 60250
	3.1 @Frequency 100 Hz	IEC 60250
Dielectric Strength	35.0 kV/mm @Thickness 1.00 mm	IEC 60243-1
Dissipation Factor	0.0025 @Frequency 100 Hz	IEC 60250
	0.0105 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	175 V	Solution A; IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Transverse to Flow	70.0 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-1,-2
	70.0 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-1,-2
Deflection Temperature at 0.46 MPa (66 psi)	126 °C	ISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi)	110 °C	ISO 75-1,-2
Vicat Softening Point	132 °C @Load 5.10 kg	120°C/h; ISO 306
Flammability, UL94	HB

Processing Properties	Original Value	Comments
Melt Temperature	260 °C	Injection molding; ISO 294
Mold Temperature	80.0 °C	Injection molding; ISO 294
Injection Velocity	240 mm/sec	ISO 294

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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