Covestro Makroblend® UT305 PC/PET Blend

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Covestro Makroblend® UT305 PC/PET Blend
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate/PET Polyester Blend; Polyester, TP; Polyethylene Terephthalate (PET)
Material Notes:	PC+PET)-blend, easy release, injection molding. Makroblend UT305 offers high heat resistance, good chemical resistance and flowability. Molded parts from UT305 provide a good surface appearance and exceptional dimensional stability, even in high moisture environments. 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	1.24 g/cc	0.0448 lb/in³	ISO 1183-1
Moisture Absorption at Equilibrium	0.25 %	0.25 %	50% RH; ISO 62
Water Absorption at Saturation	0.55 %	0.55 %	ISO 62
Linear Mold Shrinkage, Flow	0.0010 cm/cm	0.0010 in/in	Post; b.o. ISO 2577
	0.0065 cm/cm	0.0065 in/in	b.o. ISO 2577

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	54.0 MPa	7830 psi	50 mm/min; ISO 527-1,-2
Tensile Strength, Yield	70.0 MPa	10200 psi	50 mm/min; ISO 527-1,-2
Elongation at Break	110 %	110 %	50 mm/min; b.o. ISO 527-1,-2
Elongation at Yield	5.5 %	5.5 %	50 mm/min; ISO 527-1,-2
Tensile Modulus	2.60 GPa	377 ksi	1 mm/min; ISO 527-1,-2
Flexural Strength	100 MPa	14500 psi	2 mm/min; ISO 178
Flexural Yield Strength	82.0 MPa @Strain 3.5 %	11900 psi @Strain 3.5 %	2 mm/min; ISO 178
Flexural Modulus	2.60 GPa	377 ksi	2 mm/min; ISO 178
Flexural Strain at Yield	6.2 %	6.2 %	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	6.00 kJ/m² @Temperature -30.0 °C	2.86 ft-lb/in² @Temperature -22.0 °F	ISO 180-A
	7.00 kJ/m² @Temperature 23.0 °C	3.33 ft-lb/in² @Temperature 73.4 °F	ISO 180-A
	8.00 kJ/m² @Temperature 23.0 °C	3.81 ft-lb/in² @Temperature 73.4 °F	ISO 180-A
	8.00 kJ/m² @Temperature -30.0 °C	3.81 ft-lb/in² @Temperature -22.0 °F	ISO 180-A
Izod Impact, Unnotched (ISO)	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 180-U
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ISO 180-U
Charpy Impact Unnotched	NB @Temperature 23.0 °C	NB @Temperature 73.4 °F	ISO 179-1eU
	NB @Temperature -30.0 °C	NB @Temperature -22.0 °F	ISO 179-1eU
Charpy Impact, Notched	0.600 J/cm² @Temperature -30.0 °C	2.86 ft-lb/in² @Temperature -22.0 °F	ISO 179-1eA
	0.800 J/cm² @Temperature 23.0 °C	3.81 ft-lb/in² @Temperature 73.4 °F	ISO 179-1eA

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	70.0 µm/m-°C @Temperature 23.0 - 55.0 °C	38.9 µin/in-°F @Temperature 73.4 - 131 °F	ISO 1135-1,-2
CTE, linear, Transverse to Flow	70.0 µm/m-°C @Temperature 23.0 - 55.0 °C	38.9 µin/in-°F @Temperature 73.4 - 131 °F	ISO 1135-1,-2
Deflection Temperature at 0.46 MPa (66 psi)	128 °C	262 °F	ISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi)	108 °C	226 °F	ISO 75-1,-2
Vicat Softening Point	140 °C @Load 5.10 kg	284 °F @Load 11.2 lb	120°C/h; ISO 306
UL RTI, Electrical	75.0 °C	167 °F	UL 746B
UL RTI, Mechanical with Impact	75.0 °C	167 °F	UL 746B
UL RTI, Mechanical without Impact	75.0 °C	167 °F	UL 746B
Flammability, UL94	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in

Processing Properties	Metric	English	Comments
Injection Velocity	200 mm/sec	7.87 in/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 view all the property values for this datasheet as they were originally entered into MatWeb.

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