Covestro Makroblend® UT4045 G PC/PBT Blend, 20% Glass Filled

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Covestro Makroblend® UT4045 G PC/PBT Blend, 20% Glass Filled
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate/Polybutylene Terephthalate (PBT) Blend, Glass Filled; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	(PC+PBT)-blend, 20% Glass fiber reinforced, easy release, injection molding. Makroblend UT4045G offers a high stiffness, excellent chemical resistance, good flowability and exceptional dimensional stability. 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	1.40 g/cc	ISO 1183-1
Filler Content	20 %	Method A; b.o. ISO 3451-1
Moisture Absorption at Equilibrium	0.15 %	ISO 62
Water Absorption at Saturation	0.30 %	ISO 62
Linear Mold Shrinkage, Flow	0.0020 - 0.0040 cm/cm	150x105x3 mm; 260 °C / MT 80 °C; 600 bar; b.o. ISO 2577
	0.0020 - 0.0060 cm/cm	b.o. ISO 2577
Linear Mold Shrinkage, Transverse	0.0050 - 0.0070 cm/cm	150x105x3 mm; 260 °C / MT 80 °C; 600 bar; b.o. ISO 2577
Melt Flow	42 g/10 min @Load 5.00 kg, Temperature 260 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Ball Indentation Hardness	90.0 MPa	ISO 2039-1
Tensile Strength at Break	100 MPa	5 mm/min; ISO 527-1,-2
Tensile Strength, Yield	100 MPa	50 mm/min; ISO 527-1,-2
Elongation at Break	3.0 %	5 mm/min; ISO 527-1,-2
	3.0 %	Nominal, 5 mm/min; ISO 527-1,-2
Elongation at Yield	3.0 %	50 mm/min; ISO 527-1,-2
Tensile Modulus	6500 MPa	1 mm/min; ISO 527-1,-2
Flexural Strength	160 MPa	2 mm/min; ISO 178
Flexural Modulus	6100 MPa	2 mm/min; ISO 178
Flexural Strain at Yield	3.0 %	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	6.00 kJ/m² @Temperature 23.0 °C	ISO 180-A
	6.00 kJ/m² @Temperature -30.0 °C	ISO 180-A
Izod Impact, Unnotched (ISO)	35.0 kJ/m² @Temperature -30.0 °C	ISO 180-U
	40.0 kJ/m² @Temperature 23.0 °C	ISO 180-U
Charpy Impact Unnotched	40.0 kJ/m² @Temperature -30.0 °C	ISO 179-1eU
	45.0 kJ/m² @Temperature 23.0 °C	ISO 179-1eU

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+15 ohm-cm	IEC 60093
Surface Resistance	>= 1.00e+17 ohm	IEC 60093
Dielectric Constant	3.6 @Frequency 100 Hz	IEC 60250
Dielectric Strength	33.0 kV/mm @Thickness 1.00 mm	IEC 60243-1
Dissipation Factor	0.0013 @Frequency 100 Hz	IEC 60250
	0.0144 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	175 V	Solution A; IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	70.0 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-1,-2
CTE, linear, Transverse to Flow	35.0 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-1,-2
Deflection Temperature at 0.46 MPa (66 psi)	130 °C	ISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi)	110 °C	ISO 75-1,-2
Vicat Softening Point	140 °C @Load 5.10 kg	120°C/h; ISO 306
Shrinkage	<= 0.10 %	post-shrinkage; b.o. ISO 2577

Processing Properties	Original Value	Comments
Melt Temperature	260 °C	Injection molding; ISO 294
Mold Temperature	70.0 °C	Injection molding; ISO 294
Injection Velocity	200 mm/sec	ISO 294

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