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Makrolon® LED2245 DQ

polycarbonate; MVR (300 °C/1.2 kg) 34 cm³/10 min; easy release; Easy flow; low viscosity; translucent material with low diffusion for light guides and thick-wall optical parts

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Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 270 - 290
Barrel Temperatures - Middle - °C 270 - 290
Barrel Temperatures - Nozzle - °C 270 - 305
Barrel Temperatures - Rear - °C 250
Dry Air Drying Temperature - °C 120
Dry Air Drying Time - h 4
Hold Pressure (% of injection pressure) - % 50 - 75
Melt temperatures - °C 260 - 300
Moisture Content max. (%) - % <=0.02
Mold Temperatures - °C 70 - 120
Peripheral Screw Speed - m/s 0.05 - 0.2
Plastic Back Pressure (specific) - bar 100 - 200
Shot-to-Cylinder Size - % 30 - 70
Standard Melt temperature - °C 280
Vent Depth - mm 0.025 - 0.075
Property Name Standard Test condition Unit Value
Glass transition temperature ISO 11357-1,-2 10 °C/min °C 145
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
Vicat softening temperature ISO 306 50 N; 120 °C/h °C 146
Vicat softening temperature ISO 306 50 N; 50 °C/h °C 145
Property Name Standard Test condition Unit Value
Izod notched impact strength ISO 21305/based on ISO 180/A 23 °C kJ/m² 12C
Nominal strain at break ISO 527-1,-2 5 mm/min % >50
Puncture energy ISO 6603-2 -30 °C J 55
Puncture energy ISO 6603-2 23 °C J 50
Puncture impact properties - maximum force ISO 6603-2 -30 °C N 5900
Puncture impact properties - maximum force ISO 6603-2 23 °C N 4900
Strain at break ISO 527-1,-2 5 mm/min % 125
Stress at break ISO 527-1,-2 5 mm/min MPa 60
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2200
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
Half power angle Covestro Test 3 mm ° 5 (Code 029305)
Half power angle Covestro Test 3 mm ° 55 (Code 029355)
Luminous transmittance ISO 13468-2 3 mm % 87 (Code 029305)
Luminous transmittance ISO 13468-2 3 mm % 86 (Code 029315)
Luminous transmittance ISO 13468-2 3 mm % 58 (Code 029345)
Luminous transmittance ISO 13468-2 3 mm % 51 (Code 029355)
Property Name Standard Test condition Unit Value
Molding shrinkage, normal ISO 294-4 60x60x2 mm % 0.7
Molding shrinkage, parallel ISO 294-4 60x60x2 mm % 0.69
Property Name Standard Test condition Unit Value
Injection molding - Injection velocity ISO 294 mm/s 200
Injection molding - Melt temperature ISO 294 °C 280
Injection molding - Mold temperature ISO 294 °C 80
Property Name Standard Test condition Unit Value
Bulk density ISO 60 kg/m³ 660
Density ISO 1183-1 kg/m³ 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

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Technical Data Sheet
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Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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