Overview of materials for Polycarbonate, Optical Grade

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Overview of materials for Polycarbonate, Optical Grade
Categories:	Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Optical Grade
Material Notes:	This property data is a summary of similar materials in the MatWeb database for the category "Polycarbonate, Optical Grade". Each property range of values reported is minimum and maximum values of appropriate MatWeb entries. The comments report the average value, and number of data points used to calculate the average. The values are not necessarily typical of any specific grade, especially less common values and those that can be most affected by additives or processing methods.
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Physical Properties	Original Value	Comments

Density	1.20 - 1.40 g/cc	Average value: 1.21 g/cc Grade Count:68
	1.02 - 1.02 g/cc @Temperature 280 - 280 °C	Average value: 1.02 g/cc Grade Count:1
Water Absorption	0.130 - 0.300 %	Average value: 0.169 % Grade Count:30
Moisture Absorption at Equilibrium	0.120 - 0.340 %	Average value: 0.188 % Grade Count:24
Water Absorption at Saturation	0.150 - 0.350 %	Average value: 0.255 % Grade Count:9
Water Vapor Transmission	15.0 g/m²/day	Average value: 15.0 g/m²/day Grade Count:3
Oxygen Transmission	67.0 - 2760 cc-mm/m²-24hr-atm	Average value: 1160 cc-mm/m²-24hr-atm Grade Count:3
Nitrogen Transmission	12.0 - 510 cc-mm/m²-24hr-atm	Average value: 214 cc-mm/m²-24hr-atm Grade Count:3
Carbon Dioxide Transmission	380 - 16900 cc-mm/m²-24hr-atm	Average value: 7030 cc-mm/m²-24hr-atm Grade Count:3
Thickness	180 - 12700 microns	Average value: 4280 microns Grade Count:4
Linear Mold Shrinkage	0.00400 - 0.0100 cm/cm	Average value: 0.00627 cm/cm Grade Count:41
Linear Mold Shrinkage, Transverse	0.00400 - 0.00750 cm/cm	Average value: 0.00610 cm/cm Grade Count:21
Melt Flow	4.80 - 150 g/10 min	Average value: 23.6 g/10 min Grade Count:55

Mechanical Properties	Original Value	Comments
Hardness, Rockwell M	50.0 - 72.0	Average value: 63.6 Grade Count:21
Hardness, Rockwell R	118 - 121	Average value: 119 Grade Count:32
Ball Indentation Hardness	115 - 116 MPa	Average value: 116 MPa Grade Count:3
Tensile Strength, Ultimate	53.9 - 72.0 MPa	Average value: 67.1 MPa Grade Count:31
Tensile Strength, Yield	50.0 - 75.8 MPa	Average value: 62.6 MPa Grade Count:59
Elongation at Break	6.00 - 170 %	Average value: 102 % Grade Count:68
Elongation at Yield	5.40 - 120 %	Average value: 11.0 % Grade Count:23
Modulus of Elasticity	2.30 - 2.41 GPa	Average value: 2.35 GPa Grade Count:25
Flexural Yield Strength	74.0 - 131 MPa	Average value: 92.1 MPa Grade Count:56
Flexural Modulus	2.06 - 3.52 GPa	Average value: 2.34 GPa Grade Count:66
Flexural Strain at Yield	7.00 %	Average value: 7.00 % Grade Count:3
Izod Impact, Notched	1.07 - 9.70 J/cm	Average value: 7.36 J/cm Grade Count:34
Izod Impact, Unnotched	7.85 - 5340 J/cm	Average value: 8.50 J/cm Grade Count:5
Izod Impact, Notched (ISO)	65.0 - 70.0 kJ/m²	Average value: 66.3 kJ/m² Grade Count:12
	10.0 - 10.0 kJ/m² @Temperature -30.0 - -30.0 °C	Average value: 12.0 kJ/m² Grade Count:9
	15.0 - 15.0 kJ/m² @Temperature -30.0 - -30.0 °C	Average value: 12.0 kJ/m² Grade Count:3
	15.0 - 15.0 kJ/m² @Thickness 3.00 - 3.20 mm	Average value: 12.0 kJ/m² Grade Count:3
Charpy Impact Unnotched	1000 J/cm² - NB	Grade Count:20
	999.9 J/cm² - NB @Temperature -60.0 - -30.0 °C	Grade Count:13
Charpy Impact, Notched	0.700 - 9.00 J/cm²	Average value: 5.05 J/cm² Grade Count:22
	1.40 - 1.40 J/cm² @Temperature -30.0 - -30.0 °C	Average value: 1.40 J/cm² Grade Count:3
	1.40 - 1.40 J/cm² @Thickness 3.00 - 3.00 mm	Average value: 1.40 J/cm² Grade Count:3
Puncture Energy	60.0 J	Average value: 60.0 J Grade Count:3
	65.0 - 70.0 J @Temperature -30.0 - -30.0 °C	Average value: 66.7 J Grade Count:3
Tensile Creep Modulus, 1 hour	2200 MPa	Average value: 2200 MPa Grade Count:3
Tensile Creep Modulus, 1000 hours	1900 MPa	Average value: 1900 MPa Grade Count:3

Electrical Properties	Original Value	Comments
Electrical Resistivity	1.00e+14 - 1.00e+17 ohm-cm	Average value: 3.29e+16 ohm-cm Grade Count:18
Surface Resistance	1.00e+15 - 1.00e+16 ohm	Average value: 5.73e+15 ohm Grade Count:11
Dielectric Constant	2.85 - 3.10	Average value: 3.04 Grade Count:14
Dielectric Strength	15.0 - 34.0 kV/mm	Average value: 25.0 kV/mm Grade Count:18
Dissipation Factor	0.000500 - 0.0100	Average value: 0.00526 Grade Count:14
Arc Resistance	30.0 - 120 sec	Average value: 95.0 sec Grade Count:12
Comparative Tracking Index	125 - 400 V	Average value: 273 V Grade Count:17
Hot Wire Ignition, HWI	15.0 - 60.0 sec	Average value: 33.8 sec Grade Count:8
High Amp Arc Ignition, HAI	60.0 - 120 arcs	Average value: 105 arcs Grade Count:8
High Voltage Arc-Tracking Rate, HVTR	80.0 - 150 mm/min	Average value: 115 mm/min Grade Count:8

Thermal Properties	Original Value	Comments
CTE, linear	56.0 - 70.2 µm/m-°C	Average value: 66.3 µm/m-°C Grade Count:48
CTE, linear, Transverse to Flow	60.0 - 70.0 µm/m-°C	Average value: 66.7 µm/m-°C Grade Count:19
Specific Heat Capacity	0.00117 - 1.70 J/g-°C	Average value: 0.265 J/g-°C Grade Count:11
Thermal Conductivity	0.173 - 2.80 W/m-K	Average value: 0.365 W/m-K Grade Count:16
Maximum Service Temperature, Air	70.0 - 120 °C	Average value: 109 °C Grade Count:9
Hot Ball Pressure Test	135 - 137 °C	Average value: 136 °C Grade Count:3
Deflection Temperature at 0.46 MPa (66 psi)	127 - 146 °C	Average value: 139 °C Grade Count:35
Deflection Temperature at 1.8 MPa (264 psi)	117 - 143 °C	Average value: 129 °C Grade Count:67
Vicat Softening Point	143 - 157 °C	Average value: 149 °C Grade Count:22
Minimum Service Temperature, Air	-55.0 - -40.0 °C	Average value: -41.9 °C Grade Count:8
Glass Transition Temp, Tg	144 - 145 °C	Average value: 145 °C Grade Count:5
UL RTI, Electrical	75.0 - 130 °C	Average value: 105 °C Grade Count:24
UL RTI, Mechanical with Impact	75.0 - 125 °C	Average value: 99.6 °C Grade Count:24
UL RTI, Mechanical without Impact	75.0 - 130 °C	Average value: 105 °C Grade Count:24
Flammability, UL94	HB - V-0	Grade Count:47
Flash Point	480 - 550 °C	Average value: 515 °C Grade Count:3
Oxygen Index	26.0 - 28.0 %	Average value: 27.2 % Grade Count:5
Glow Wire Test	775 - 960 °C	Average value: 868 °C Grade Count:8

Optical Properties	Original Value	Comments
Refractive Index	1.58 - 1.59	Average value: 1.59 Grade Count:35
Haze	0.500 - 1.50 %	Average value: 0.940 % Grade Count:20
Transmission, Visible	0.100 - 91.0 %	Average value: 81.6 % Grade Count:49
Reflection Coefficient, Visible (0-1)	0.970 - 0.975	Average value: 0.973 Grade Count:4

Processing Properties	Original Value	Comments
Nozzle Temperature	254 - 332 °C	Average value: 284 °C Grade Count:18
Melt Temperature	240 - 350 °C	Average value: 283 °C Grade Count:43
Mold Temperature	49.0 - 121 °C	Average value: 88.2 °C Grade Count:39
Injection Velocity	200 mm/sec	Average value: 200 mm/sec Grade Count:4
Drying Temperature	116 - 121 °C	Average value: 120 °C Grade Count:31
Moisture Content	0.0200 %	Average value: 0.0200 % Grade Count:5
Injection Pressure	51.7 - 152 MPa	Average value: 100 MPa Grade Count:16
Cycle Time - Injection	1.00 - 2.50 sec	Average value: 1.75 sec Grade Count:6
Cycle Time - Cooling	5.00 - 40.0 sec	Average value: 22.5 sec Grade Count:6
Vent Depth	0.00200 - 0.00800 cm	Average value: 0.00500 cm Grade Count:5

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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O3105 / 78124

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