Covestro Bayblend® T90 MF-20 Polycarbonate + ABS, Mineral Filled

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Covestro Bayblend® T90 MF-20 Polycarbonate + ABS, Mineral Filled
Categories:	Polymer; Thermoplastic; Polycarbonate (PC)
Material Notes:	Developmental product Injection molding grade 20 % mineral filled very good flow reduced coefficient of thermal dilatation tensile modulus = 5200 MPa Vicat/B 120 = 130 °C 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	Metric	English	Comments

Density	1.29 g/cc	0.0466 lb/in³	ISO 1183
Moisture Absorption at Equilibrium	0.20 %	0.20 %	ISO 62
Water Absorption at Saturation	0.50 %	0.50 %	ISO 62
Viscosity	240000 cP @Shear Rate 1000 1/s, Temperature 260 °C	240000 cP @Shear Rate 1000 1/s, Temperature 500 °F	Melt; b.o. ISO 11443-A
Linear Mold Shrinkage, Flow	0.0030 - 0.0050 cm/cm @Thickness 3.00 mm	0.0030 - 0.0050 in/in @Thickness 0.118 in	150x105x3 mm; 260 °C / MT 80 °C; b.o. ISO 2577
Linear Mold Shrinkage, Transverse	0.0025 - 0.0045 cm/cm @Thickness 3.00 mm	0.0025 - 0.0045 in/in @Thickness 0.118 in	150x105x3 mm; 260 °C / MT 80 °C; b.o. ISO 2577
Melt Flow	15 g/10 min @Load 5.00 kg, Temperature 260 °C	15 g/10 min @Load 11.0 lb, Temperature 500 °F	estimated from MVR using room temperature density; ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	50.0 MPa	7250 psi	50 mm/min; ISO 527-1/-2
Tensile Strength, Yield	60.0 MPa	8700 psi	50 mm/min; ISO 527-1/-2
Elongation at Break	9.0 %	9.0 %	50 mm/min; ISO 527-1/-2
Elongation at Yield	3.2 %	3.2 %	50 mm/min; ISO 527-1/-2
Tensile Modulus	4.90 GPa	711 ksi	1 mm/min; ISO 527-1/-2
Izod Impact, Notched (ISO)	6.00 kJ/m² @Temperature -30.0 °C	2.86 ft-lb/in² @Temperature -22.0 °F	ISO 180-A
	20.0 kJ/m² @Temperature 23.0 °C	9.52 ft-lb/in² @Temperature 73.4 °F	ISO 180-A
Izod Impact, Unnotched (ISO)	50.0 kJ/m² @Temperature -30.0 °C	23.8 ft-lb/in² @Temperature -22.0 °F	ISO 180-U
	100 kJ/m² @Temperature 23.0 °C	47.6 ft-lb/in² @Temperature 73.4 °F	ISO 180-U

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+14 ohm-cm	1.00e+14 ohm-cm	IEC 60093
Surface Resistance	1.00e+16 ohm	1.00e+16 ohm	IEC 60093
Dielectric Constant	3.2 @Frequency 1e+6 Hz	3.2 @Frequency 1e+6 Hz	IEC 60250
	3.3 @Frequency 100 Hz	3.3 @Frequency 100 Hz	IEC 60250
Dielectric Strength	35.0 kV/mm	889 kV/in	1 mm; IEC 60243-1
Dissipation Factor	0.0015 @Frequency 100 Hz	0.0015 @Frequency 100 Hz	IEC 60250
	0.0032 @Frequency 1e+6 Hz	0.0032 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	225 V	225 V	Solution A; IEC 60112

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	40.0 µm/m-°C @Temperature 23.0 - 55.0 °C	22.2 µin/in-°F @Temperature 73.4 - 131 °F	ISO 11359-1,-2
CTE, linear, Transverse to Flow	56.0 µm/m-°C @Temperature 23.0 - 55.0 °C	31.1 µin/in-°F @Temperature 73.4 - 131 °F	ISO 11359-1,-2
Deflection Temperature at 0.46 MPa (66 psi)	127 °C	261 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	111 °C	232 °F	ISO 75-1/-2
Vicat Softening Point	128 °C @Load 5.10 kg	262 °F @Load 11.2 lb	50°C/h; ISO 306
	130 °C @Load 5.10 kg	266 °F @Load 11.2 lb	120°C/h; ISO 306
Flammability, UL94	HB @Thickness 0.850 mm	HB @Thickness 0.0335 in	IEC 60695-11-10

Processing Properties	Metric	English	Comments
Melt Temperature	260 °C	500 °F	Injection Molding; ISO 294
Mold Temperature	80.0 °C	176 °F	Injection Molding; ISO 294
	70.0 - 100 °C	158 - 212 °F
Injection Velocity	240 mm/sec	9.45 in/sec	ISO 294
Drying Temperature	100 - 110 °C	212 - 230 °F
Dry Time	2.00 - 4.00 hour	2.00 - 4.00 hour	Dry air dryer
	2.00 - 4.00 hour	2.00 - 4.00 hour	Fresh air dryer (high speed dryer)
Moisture Content	0.010 - 0.050 %	0.010 - 0.050 %

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 view all the property values for this datasheet as they were originally entered into MatWeb.

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PB09743 / 92583

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