Covestro Makrolon® LQ3187 Optical Grade Polycarbonate

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Covestro Makrolon® LQ3187 Optical Grade Polycarbonate
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Optical Grade
Material Notes:	MVR (300 °C/1.2 kg) 6.0 cm³/10 min; optical lens; high viscosity; UV stabilized; UV 400 cut off; easy release; injection molding - melt temperature 280 - 320 °C; safety glasses; sun glasses 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	1.20 g/cc	ISO 1183
Moisture Absorption at Equilibrium	0.12 %	ISO 62
Water Absorption at Saturation	0.30 %	ISO 62
Water Vapor Transmission	15.0 g/m²/day @Thickness 0.100 mm, Temperature 23.0 °C	85% RH; ISO 15106-1
Oxygen Transmission	650 cc-mm/m²-24hr-atm	cm³/(m²·24 h·bar), 100 µm film; b.o. ISO 2556
	2760 cc-mm/m²-24hr-atm	cm³/(m²·24 h·bar), 25.4 µm (1 mil) film; b.o. ISO 2556
Nitrogen Transmission	120 cc-mm/m²-24hr-atm	cm³/(m²·24 h·bar), 100 µm film; b.o. ISO 2556
	510 cc-mm/m²-24hr-atm	cm³/(m²·24 h·bar), 25.4 µm (1 mil) film; b.o. ISO 2556
Carbon Dioxide Transmission	3800 cc-mm/m²-24hr-atm	cm³/(m²·24 h·bar), 100 µm film; b.o. ISO 2556
	16900 cc-mm/m²-24hr-atm	cm³/(m²·24 h·bar), 25.4 µm (1 mil) film; b.o. ISO 2556
Linear Mold Shrinkage	0.0060 - 0.0080 cm/cm	parallel/normal; b.o. ISO 2577
Linear Mold Shrinkage, Flow	0.0070 cm/cm	60x60x2 mm; 500 bar; ISO 294-4
Linear Mold Shrinkage, Transverse	0.0075 cm/cm	60x60x2 mm; 500 bar; ISO 294-4
Melt Flow	6.5 g/10 min @Load 1.20 kg, Temperature 300 °C	ISO 1133

Mechanical Properties	Original Value	Comments
Ball Indentation Hardness	116 MPa	ISO 2039-1
Tensile Strength at Break	70.0 MPa	50 mm/min; ISO 527-1/-2
Tensile Strength, Yield	66.0 MPa	50 mm/min; ISO 527-1/-2
Elongation at Break	>= 50 %	Nominal, 50 mm/min; ISO 527-1/-2
	120 %	50 mm/min; ISO 527-1/-2
Elongation at Yield	6.2 %	50 mm/min; ISO 527-1/-2
Tensile Modulus	2400 MPa	1 mm/min; ISO 527-1/-2
Flexural Strength	98.0 MPa	2 mm/min; ISO 178
Flexural Yield Strength	74.0 MPa @Strain 3.5 %	2 mm/min; ISO 178
Flexural Modulus	2.40 GPa	2 mm/min; ISO 178
Flexural Strain at Yield	7.0 %	2 mm/min; ISO 178
Izod Impact, Notched (ISO)	15.0 kJ/m² @Thickness 3.00 mm, Temperature -30.0 °C	complete break; ISO 7391/b.o. ISO 180-A
	70.0 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	1.40 J/cm² @Thickness 3.00 mm, Temperature -30.0 °C	complete break; ISO 7391/b.o. ISO 179-1eA
	8.00 J/cm² @Thickness 3.00 mm, Temperature 23.0 °C	partial break; ISO 7391/b.o. ISO 179-1eA
Impact	5600	Puncture - maximum force (N); ISO 6603-2
	6500 @Temperature -30.0 °C	Puncture - maximum force (N); ISO 6603-2
Puncture Energy	60.0 J	ISO 6603-2
	70.0 J @Temperature -30.0 °C	ISO 6603-2
Tensile Creep Modulus, 1 hour	2200 MPa	ISO 899-1
Tensile Creep Modulus, 1000 hours	1900 MPa	ISO 899-1

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
	0.0095 @Frequency 1e+6 Hz	IEC 60250
Comparative Tracking Index	125 V	CTI M; Solution B; IEC 60112
	250 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	137 °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)	125 °C	ISO 75-1/-2
Vicat Softening Point	146 °C	50°C/h 50N; ISO 306
	147 °C	120°C/h 50N; ISO 306
Glass Transition Temp, Tg	145 °C	ISO 11357-1/-2
Flash Point	480 °C	ignition; ASTM D1929
	550 °C	self ignition; ASTM D1929
Oxygen Index	28 %	Method A; ISO 4589-1/-2

Optical Properties	Original Value	Comments
Refractive Index	1.586	Procedure A; ISO 489
Abbe Number	30
Haze	1.0 % @Thickness 3.00 mm	ISO 14782
Transmission, Visible	<= 85 % @Thickness 4.00 mm	ISO 13468-2
	88 % @Thickness 3.00 mm	ISO 13468-2
	89 % @Thickness 1.00 mm	ISO 13468-2
	89 % @Thickness 2.00 mm	ISO 13468-2

Processing Properties	Original Value	Comments
Melt Temperature	300 °C	Injection Molding; ISO 294
Mold Temperature	80.0 °C	Injection Molding; ISO 294
Injection Velocity	200 mm/sec	ISO 294

Descriptive Properties
Electrolytic corrosion	A1	IEC 60426

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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