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Makrolon® AL2447 MAS181

MVR (300 °C/1.2 kg) 19 cm³/10 min; Automotive lighting; low viscosity; UV stabilized; easy release; improved static behavior; headlamp lenses for automotive forward lighting

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Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 280 - 290
Barrel Temperatures - Middle - °C 270 - 280
Barrel Temperatures - Nozzle - °C 290 - 300
Barrel Temperatures - Rear - °C 250 - 260
Dry Air Drying Temperature - °C 120
Dry Air Drying Time - h 2 - 3
Hold Pressure (% of injection pressure) - % 50 - 75
Melt temperatures - °C 280 - 320
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 300
Vent Depth - mm 0.025 - 0.075
Property Name Standard Test condition Unit Value
Burning behavior UL 94 [UL recognition] UL 94 0.75 mm Class V-2
Coefficient of linear thermal expansion, normal ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.65
Coefficient of linear thermal expansion, parallel ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.65
Oxygen index ISO 4589-2 Method A % 28
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; 50 °C/h °C 144
Property Name Standard Test condition Unit Value
Charpy impact strength ISO 179/1eU 23 °C kJ/m² N
Izod notched impact strength ISO21305/b.o. ISO 180/A 23 °C/ 3 mm kJ/m² 65P
Nominal strain at break ISO 527-1,-2 50 mm/min % > 50
Puncture energy ISO 6603-2 23 °C J 55
Puncture impact properties - maximum force ISO 6603-2 23 °C N 5100
Strain at break b.o. ISO 527-1,-2 50 mm/min % 120
Stress at break ISO 527-1,-2 50 mm/min MPa 65
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2400
Yield strain ISO 527-1,-2 50 mm/min % 6
Yield stress ISO 527-1,-2 50 mm/min MPa 66
Property Name Standard Test condition Unit Value
Luminous transmittance (clear transparent materials) ISO 13468-2 3 mm % 88
Property Name Standard Test condition Unit Value
Melt volume-flow rate ISO 1133 300 °C/ 1.2 kg cm³/10 min 19
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
Density ISO 1183-1 kg/m³ 1200

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Technical Data Sheet
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