Covestro Makrolon® 9415(Z) Polycarbonate

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Covestro Makrolon® 9415(Z) Polycarbonate (discontinued **)
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Unreinforced, Flame Retardant
Material Notes:	Medium viscosity, flame retardant extrusion and injection molding grade with 10% standard glass fibers and easy mold release agent. 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	1.27 g/cc
Moisture Absorption at Equilibrium	0.12 %	50% RH
Water Absorption at Saturation	0.29 %
	0.29 %
Linear Mold Shrinkage	0.0030 - 0.0050 cm/cm	ASTM D955
Melt Flow	6.0 g/10 min @Load 1.20 kg, Temperature 300 °C

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	75	ASTM D785
Tensile Strength, Ultimate	69.0 MPa	ASTM D638
Tensile Strength, Yield	80.0 MPa	ASTM D638
Elongation at Break	10 %	ASTM D638
Elongation at Yield	5.0 %	ASTM D638
Tensile Modulus	4.00 GPa
Flexural Yield Strength	103 MPa	at 5% strain; ASTM D790
Flexural Modulus	3.40 GPa	ASTM D790
Izod Impact, Notched	1.10 J/cm @Thickness 3.20 mm	ASTM D256
Charpy Impact Unnotched	10.0 J/cm²
Tensile Creep Modulus, 1 hour	5900 MPa
Tensile Creep Modulus, 1000 hours	5400 MPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	>= 1.00e+15 ohm-cm
Surface Resistance	1.00e+14 ohm
Dielectric Constant	3.0 @Frequency 1e+6 Hz
	3.2 @Frequency 100 Hz
Dielectric Strength	30.0 kV/mm
Dissipation Factor	0.00090 @Frequency 100 Hz
	0.0080 @Frequency 1e+6 Hz
Arc Resistance	115 sec	Tungsten Electrodes; ASTM D495
Comparative Tracking Index	175 V

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	38.0 µm/m-°C @Temperature 20.0 °C
CTE, linear, Transverse to Flow	65.0 µm/m-°C @Temperature 20.0 °C
Specific Heat Capacity	1.13 J/g-°C	ASTM D2766
Thermal Conductivity	0.210 W/m-K	ASTM C177
Deflection Temperature at 0.46 MPa (66 psi)	143 °C
Deflection Temperature at 1.8 MPa (264 psi)	138 °C
Vicat Softening Point	144 °C
Glass Transition Temp, Tg	148 °C
UL RTI, Electrical	125 °C
UL RTI, Mechanical with Impact	115 °C
UL RTI, Mechanical without Impact	125 °C
Flammability, UL94	V-0 @Thickness 1.60 mm
Oxygen Index	35 %

**
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PBA455 / 26956

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