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	Original Value	Comments

Melt Density	1.02 g/cc @Temperature 260 °C
Melt Flow	19 g/10 min @Load 5.00 kg, Temperature 260 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	60.0 MPa	ISO 527-1/-2
Elongation at Break	>= 50 %	Nominal; ISO 527-1/-2
Elongation at Yield	5.0 %	ISO 527-1/-2
Tensile Modulus	2200 MPa	ISO 527-1/-2
Charpy Impact Unnotched	NB	ISO 179/1eU
Charpy Impact, Notched	6.00 J/cm²	ISO 179/1eA

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	80.0 µm/m-°C	ISO 11359-1/-2
CTE, linear, Transverse to Flow	80.0 µm/m-°C	ISO 11359-1/-2
Specific Heat Capacity	1.82 J/g-°C	Melt
Thermal Conductivity	0.179 W/m-K	Melt
Deflection Temperature at 0.46 MPa (66 psi)	109 °C	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	85.0 °C	ISO 75-1/-2

Processing Properties	Original Value	Comments
Melt Temperature	250 - 270 °C
	260 °C	Injection Molding; ISO 294
Mold Temperature	60.0 - 80.0 °C
	70.0 °C	Injection Molding; ISO 10724
	60.0 - 80.0 °C
Ejection Temperature	170 °C
Injection Velocity	200 mm/sec	ISO 294
Drying Temperature	100 - 105 °C
Dry Time	2.00 - 3.00 hour	Dry air dryer
	2.00 - 3.00 hour	Fresh air dryer (high speed dryer)
	4.00 - 8.00 hour	Circulating air drying oven (50 % fresh air)
Moisture Content	<= 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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