Covestro Makrolon® LED2045 Polycarbonate

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Covestro Makrolon® LED2045 Polycarbonate
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded
Material Notes:	MVR (250 °C/2.16 kg) 17 cm³/10 min; light guides; PC with highest transmission; low viscosity; easy release; injection molding - melt temperature 260 - 300 °C; available in color code 000000 only 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

Bulk Density	0.660 g/cc	pellets; ISO 60
Density	1.19 g/cc	ISO 1183
Water Absorption	0.30 %	ISO 62
Moisture Absorption at Equilibrium	0.12 %	ISO 62
Linear Mold Shrinkage, Flow	0.0060 cm/cm	60x60x2 mm; 500 bar; ISO 294-4
Linear Mold Shrinkage, Transverse	0.0065 cm/cm	60x60x2 mm; 500 bar; ISO 294-4
Melt Flow	17 g/10 min @Load 2.16 kg, Temperature 250 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Ball Indentation Hardness	115 MPa	² ISO 2039-1
Tensile Strength at Break	55.0 MPa	50 [mm/min]; ISO 527-1/-2
Tensile Strength, Yield	63.0 MPa	50 [mm/min]; ISO 527-1/-2
Elongation at Break	>= 50 %	Nominal, 50 [mm/min]; ISO 527-1/-2
	100 %	50 [mm/min]; ISO 527-1/-2
Elongation at Yield	6.0 %	50 [mm/min]; ISO 527-1/-2
Tensile Modulus	2350 MPa	1 [mm/min]; ISO 527-1/-2
Flexural Strength	97.0 MPa	2 mm/min; ISO 178
Flexural Yield Strength	72.0 MPa @Strain 3.5 %	2 mm/min; ISO 178
Flexural Modulus	2.35 GPa	2 mm/min; ISO 178
Flexural Strain at Yield	7.3 %	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	12.0 kJ/m² @Thickness 3.00 mm, Temperature -30.0 °C	complete break; ISO 7391/b.o. ISO 180-A
	50.0 kJ/m² @Thickness 3.00 mm, Temperature 23.0 °C	partial break; ISO 7391/b.o. ISO 180-A
Charpy Impact Unnotched	NB	ISO 179/1eU
	NB @Temperature -30.0 °C	ISO 179/1eU
	NB @Temperature -60.0 °C	ISO 179/1eU
Charpy Impact, Notched	1.20 J/cm² @Thickness 3.00 mm, Temperature -30.0 °C	complete break; ISO 7391/b.o. ISO 179-1eA
	5.00 J/cm² @Thickness 3.00 mm, Temperature 23.0 °C	partial break; ISO 7391/b.o. ISO 179-1eA
Impact	4700	Puncture - maximum force (N); ISO 6603-2
	5700 @Temperature -30.0 °C	Puncture - maximum force (N); ISO 6603-2
Puncture Energy	50.0 J	ISO 6603-2
	55.0 J @Temperature -30.0 °C	ISO 6603-2

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+14 ohm-cm	IEC 60093
Surface Resistance	1.00e+16 ohm	IEC 60093
Dielectric Constant	3.0 @Frequency 1e+6 Hz	IEC 60250
	3.1 @Frequency 100 Hz	IEC 60250
Dielectric Strength	34.0 kV/mm	1 mm; IEC 60243-1
Dissipation Factor	0.00050 @Frequency 100 Hz	IEC 60250
	0.0090 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	125 V	CTI M; Solution B; IEC 60112
	225 V	Solution A; IEC 60112

Thermal Properties	Original Value	Comments
CTE, linear, Parallel to Flow	65.0 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-1/-2
CTE, linear, Transverse to Flow	65.0 µm/m-°C @Temperature 23.0 - 55.0 °C	ISO 11359-1/-2
Thermal Conductivity	0.200 W/m-K	cross-flow; ISO 8302
Hot Ball Pressure Test	130 °C	IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi)	137 °C	ISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi)	124 °C	ISO 75-1/-2
Vicat Softening Point	145 °C	50°C/h 50N; ISO 306
	146 °C	50 N; 120 °C/h; ISO 306
Glass Transition Temp, Tg	144 °C	ISO 11357-1/-2
UL RTI, Electrical	125 °C @Thickness 0.710 mm	UL 746B
UL RTI, Mechanical with Impact	115 °C @Thickness 0.710 mm	UL 746B
UL RTI, Mechanical without Impact	125 °C @Thickness 0.710 mm	UL 746B
Flammability, UL94	V-2 @Thickness 0.700 mm	IEC 60695-11-10
Flash Point	480 °C	ignition; ASTM D1929
	550 °C	self ignition; ASTM D1929
Oxygen Index	27 %	Method A; ISO 4589-1/-2

Optical Properties	Original Value	Comments
Refractive Index	1.584	Procedure A; ISO 489
Haze	<= 0.50 % @Thickness 3.00 mm	ISO 14782
Transmission, Visible	<= 89 % @Thickness 3.00 mm	ISO 13468-2
	<= 89 % @Thickness 4.00 mm	ISO 13468-2
	90 % @Thickness 1.00 mm	ISO 13468-2
	90 % @Thickness 2.00 mm	ISO 13468-2
	<= 87.5 % @Thickness 4.00 mm, Wavelength 4000 nm	ISO 13468-2

Processing Properties	Original Value	Comments
Melt Temperature	280 °C	Injection Molding; ISO 294
Mold Temperature	80.0 °C	Injection Molding; ISO 294
Injection Velocity	200 mm/sec	ISO 294

Descriptive Properties
Availability	Asia Pacific
	Europe
	India
	Near East/Africa
	North America
	South and Central America
Eff. thermal diffusivity (m²/s)	1E-07
Feature	Release agent
Form	Pellets
Process	Injection Molding
UL recognition	UL\lh\n

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