Covestro Makrolon® 6385 Polycarbonate, Injection Grade

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Covestro Makrolon® 6385 Polycarbonate, Injection Grade (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Unreinforced, Flame Retardant
Material Notes:	Low viscosity, flame retardant injection molding grade with easy mold release, not available in transparent colors. Information provided by Bayer. As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
Key Words:	PC
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Physical Properties	Original Value	Comments

Density	1.20 g/cc
Moisture Absorption at Equilibrium	0.15 %	50% RH
Water Absorption at Saturation	0.35 %
	0.35 %
Melt Flow	19 g/10 min @Load 1.20 kg, Temperature 300 °C

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	63.0 MPa
Elongation at Break	>= 50 %	Nominal
Elongation at Yield	6.0 %
Tensile Modulus	2.30 GPa
Charpy Impact Unnotched	NB
Tensile Creep Modulus, 1 hour	2200 MPa
Tensile Creep Modulus, 1000 hours	1900 MPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	>= 1.00e+15 ohm-cm
Surface Resistance	1.00e+15 ohm
Dielectric Constant	3.0 @Frequency 100 Hz
	3.0 @Frequency 1e+6 Hz
Dielectric Strength	30.0 kV/mm
Dissipation Factor	0.0010 @Frequency 100 Hz
	0.0090 @Frequency 1e+6 Hz
Comparative Tracking Index	275 V

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	70.0 µm/m-°C @Temperature 20.0 °C
CTE, linear, Transverse to Flow	70.0 µm/m-°C @Temperature 20.0 °C
Deflection Temperature at 0.46 MPa (66 psi)	134 °C
Deflection Temperature at 1.8 MPa (264 psi)	126 °C
Vicat Softening Point	143 °C
Glass Transition Temp, Tg	148 °C
Flammability, UL94	V-0 @Thickness 1.60 mm
Oxygen Index	35 %

**
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PBA444 / 26945

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