Covestro Makroblend® DP 6015 Polycarbonate + PBT

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Covestro Makroblend® DP 6015 Polycarbonate + PBT (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate/Polybutylene Terephthalate (PBT) Blend, Unreinforced; Polyester, TP; Polybutylene Terephthalate (PBT)
Material Notes:	Developmental product (PC+PBT)-blend impact modified easy release injection molding grade. Makroblend DP 6015* provides an outstanding balance of low-temperature impact strength and excellent chemical resistance having 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	Metric	English	Comments

Melt Density	1.02 g/cc @Temperature 260 °C	0.0368 lb/in³ @Temperature 500 °F
Melt Flow	19 g/10 min @Load 5.00 kg, Temperature 260 °C	19 g/10 min @Load 11.0 lb, Temperature 500 °F	ISO 1133

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	60.0 MPa	8700 psi	ISO 527-1/-2
Elongation at Break	>= 50 %	>= 50 %	Nominal; ISO 527-1/-2
Elongation at Yield	5.0 %	5.0 %	ISO 527-1/-2
Tensile Modulus	2.20 GPa	319 ksi	ISO 527-1/-2
Charpy Impact Unnotched	NB	NB	ISO 179/1eU
Charpy Impact, Notched	6.00 J/cm²	28.6 ft-lb/in²	ISO 179/1eA

Thermal Properties	Metric	English	Comments
CTE, linear, Parallel to Flow	80.0 µm/m-°C	44.4 µin/in-°F	ISO 11359-1/-2
CTE, linear, Transverse to Flow	80.0 µm/m-°C	44.4 µin/in-°F	ISO 11359-1/-2
Specific Heat Capacity	1.82 J/g-°C	0.435 BTU/lb-°F	Melt
Thermal Conductivity	0.179 W/m-K	1.24 BTU-in/hr-ft²-°F	Melt
Deflection Temperature at 0.46 MPa (66 psi)	109 °C	228 °F	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	85.0 °C	185 °F	ISO 75-1/-2

Processing Properties	Metric	English	Comments
Melt Temperature	250 - 270 °C	482 - 518 °F
	260 °C	500 °F	Injection Molding; ISO 294
Mold Temperature	60.0 - 80.0 °C	140 - 176 °F
	70.0 °C	158 °F	Injection Molding; ISO 10724
	60.0 - 80.0 °C	140 - 176 °F
Ejection Temperature	170 °C	338 °F
Injection Velocity	200 mm/sec	7.87 in/sec	ISO 294
Drying Temperature	100 - 105 °C	212 - 221 °F
Dry Time	2.00 - 3.00 hour	2.00 - 3.00 hour	Dry air dryer
	2.00 - 3.00 hour	2.00 - 3.00 hour	Fresh air dryer (high speed dryer)
	4.00 - 8.00 hour	4.00 - 8.00 hour	Circulating air drying oven (50 % fresh air)
Moisture Content	<= 0.010 %	<= 0.010 %

Descriptive Properties
Availability	Asia Pacific
	Europe
	India
	Near East/Africa
	North America
	South and Central America
Eff. thermal diffusivity (m²/s)	9.64E-08
Feature	Release agent
Form	Pellets
Process	Injection Molding

**
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PB09834 / 92674

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