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Makrolon® LED2245

MVR (300 °C/1.2 kg) 34 cm³/10 min; light guides; optics and lenses; PC with highest transmission; low viscosity; easy release

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About

Product Types

  • Polycarbonate

Material

Plastics
Dimensionally stable, Heat resistant, Optical quality

General Characterization

No data available

Storage Conditions

No data available

Sampling

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Packaging Type

No data available

Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 260 - 270
Barrel Temperatures - Middle - °C 250 - 260
Barrel Temperatures - Nozzle - °C 260 - 270
Barrel Temperatures - Rear - °C 230 - 240
Dry Air Drying Temperature - °C 120 - 120
Dry Air Drying Time - h 2 - 3
Hold Pressure (% of injection pressure) - % 50 - 75
Melt Temperatures - °C 250 - 300
Moisture Content max. (%) - % <= 0,02
Mold Temperatures - °C 80 - 120
Peripheral Screw Speed - m/s 0.05 - 0.2
Plastic Back Pressure (specific) - bar 50 - 150
Shot-to-Cylinder Size - % 30 - 70
Standard Melt Temperature - °C 270
Vent Depth - mm 0.025 - 0.075
Property Name Standard Test condition Unit Value
Burning behavior UL 94 UL 94 2.9 mm Class HB (CL)
Burning behavior UL 94 UL 94 0.75 mm Class V-2 (CL)
Burning rate (US-FMVSS) ISO 3795 >=1.0 mm mm/min passed
Coefficient of linear thermal expansion, parallel ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.65
Coefficient of linear thermal expansion, transverse ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.65
Flash ignition temperature ASTM D1929 °C 480
Glass transition temperature ISO 11357-1,-2 10 °C/min °C 145
Glow wire test (GWFI) IEC 60695-2-12 1.0 mm °C 850 - 850
Glow wire test (GWFI) IEC 60695-2-12 1.5 mm °C 875
Glow wire test (GWFI) IEC 60695-2-12 3.0 mm °C 930
Glow wire test (GWIT) IEC 60695-2-13 0.75 mm °C 875
Glow wire test (GWIT) IEC 60695-2-13 1.5 mm °C 875
Glow wire test (GWIT) IEC 60695-2-13 3.0 mm °C 900
Oxygen index ISO 4589-2 Method A % 28
Relative temperature index (Electric strength) UL 746B 1.5 mm °C 125
Relative temperature index (Tensile impact strength) UL 746B 1.5 mm °C 115
Relative temperature index (Tensile strength) UL 746B 1.5 mm °C 125
Resistance to heat (ball pressure test) IEC 60695-10-2 °C 136
Self ignition temperature ASTM D1929 °C 550
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 138
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 125
Thermal conductivity, cross-flow ISO 8302 23 °C; 50 % r. h. W/(m*K) 0.2
Vicat softening temperature ISO 306 50 N; 120 °C/h °C 146
Vicat softening temperature ISO 306 50 N; 50 °C/h °C 145 - 145
Property Name Standard Test condition Unit Value
Ball indentation hardness ISO 2039-1 N/mm² 115
Charpy impact strength ISO 179-1eU -30 °C kJ/m² N
Charpy impact strength ISO 179-1eU -60 °C kJ/m² N
Charpy impact strength ISO 179-1eU 23 °C kJ/m² N
Flexural modulus ISO 178 2 mm/min MPa 2350 - 2350
Flexural strain at flexural strength ISO 178 2 mm/min % 7.1 - 7.1
Flexural strength ISO 178 2 mm/min MPa 97
Flexural stress at 3.5 % strain ISO 178 2 mm/min MPa 73 - 73
Nominal strain at break ISO 527-1,-2 50 mm/min % > 50
Puncture energy ISO 6603-2 -30 °C J 60
Puncture energy ISO 6603-2 23 °C J 55 - 55
Puncture maximum force ISO 6603-2 -30 °C N 5900
Puncture maximum force ISO 6603-2 23 °C N 4900 - 4900
Strain at break b.o. ISO 527-1,-2 50 mm/min % 125
Stress at break ISO 527-1,-2 50 mm/min MPa 60
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2350 - 2350
Yield strain ISO 527-1,-2 50 mm/min % 6
Yield stress ISO 527-1,-2 50 mm/min MPa 63
Property Name Standard Test condition Unit Value
Haze for transparent materials ISO 14782 3 mm % < 0.5
Luminous transmittance (clear transparent materials) ISO 13468-2 1 mm % 90
Luminous transmittance (clear transparent materials) ISO 13468-2 2 mm % 90
Luminous transmittance (clear transparent materials) ISO 13468-2 4 mm % > 89
Luminous transmittance (clear transparent materials) ISO 13468-2 3 mm % > 89
Refractive index ISO 489 Procedure A 1.584
Property Name Standard Test condition Unit Value
Comparative tracking index CTI IEC 60112 Solution A Rating 250
Comparative tracking index CTI M IEC 60112 Solution B Rating 125M
Dissipation factor IEC 60250 1 MHz 10^-4^ 95
Dissipation factor IEC 60250 100 Hz 10^-4^ 5
Electrical strength IEC 60243-1 1 mm kV/mm 34
Relative permittivity IEC 60250 1 MHz 3.0
Relative permittivity IEC 60250 100 Hz 3.1
Surface resistivity IEC 60093 Ohm 1E16
Volume resistivity IEC 60093 Ohm*m 1E14
Property Name Standard Test condition Unit Value
Injection molding-Injection velocity ISO 294 mm/s 200
Injection molding-Melt temperature ISO 294 °C 280 - 280
Injection molding-Mold temperature ISO 294 °C 80 - 80
Property Name Standard Test condition Unit Value
Bulk density ISO 60 Pellets kg/m³ 660
Density ISO 1183-1 kg/m³ 1190 - 1190
Water absorption (equilibrium value) ISO 62 23 °C; 50 % r. h. % 0.12
Water absorption (saturation value) ISO 62 Water at 23 °C % 0.3

Downloads

Technical Data Sheet
Download
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com
Download
Viscosity Shear Rate Makrolon® LED2245 (Multipoint Data Sheet)
Spannung-Dehnung Makrolon® LED2245 (Multipoint Data Sheet)
Stress-Strain Makrolon® LED2245 (Multipoint Data Sheet)
Viskosität Schergeschwindigkeit Makrolon® LED2245 (Multipoint Data Sheet)
Spezifisches Volumen-Temperatur (pvT) Makrolon® LED2245 (Multipoint Data Sheet)
Specific Volume-Temperature (pvT) Makrolon® LED2245 (Multipoint Data Sheet)
Sekantenmodul-Dehnung Makrolon® LED2245 (Multipoint Data Sheet)
Secant modulus - Strain Makrolon® LED2245 (Multipoint Data Sheet)

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