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Makrolon® MD4810

MVR (300 °C/1.2 kg) 15 cm³/10 min; housings for mobile telephones

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Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 285 - 305
Barrel Temperatures - Middle - °C 270 - 290
Barrel Temperatures - Nozzle - °C 270 - 305
Barrel Temperatures - Rear - °C 250 - 270
Dry Air Drying Temperature - °C 120
Dry Air Drying Time - h 4
Hold Pressure (% of injection pressure) - % 50 - 75
Melt Temperatures - °C 280 - 320
Moisture Content max. (%) - % <= 0.02
Mold Temperatures - °C 70 - 110
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 300
Vent Depth - mm 0.025 - 0.075
Property Name Standard Test condition Unit Value
Coefficient of linear thermal expansion, parallel ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.4
Coefficient of linear thermal expansion, transverse ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.7
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 141
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 132
Vicat softening temperature ISO 306 50 N; 120 °C/h °C 143
Vicat softening temperature ISO 306 50 N; 50 °C/h °C 141
Property Name Standard Test condition Unit Value
Charpy notched impact strength ISO 7391/b.o. ISO 179-1eA -30 °C/ 3 mm kJ/m² 8C
Charpy notched impact strength ISO 7391/b.o. ISO 179-1eA 23 °C/ 3 mm kJ/m² 19C
Flexural modulus ISO 178 2 mm/min MPa 3400
Flexural strength ISO 178 2 mm/min MPa 89
Izod notched impact strength ISO 7391/b.o. ISO 180-A 23 °C/ 3 mm kJ/m² 18C
Izod notched impact strength ISO 7391/b.o. ISO 180-A -30 °C/ 3 mm kJ/m² 9C
Puncture energy ISO 6603-2 23 °C J 22
Puncture maximum force ISO 6603-2 23 °C N 3600
Strain at break ISO 527-1,-2 5 mm/min % 13
Stress at break ISO 527-1,-2 5 mm/min MPa 38
Tensile modulus ISO 527-1,-2 1 mm/min MPa 3450
Yield strain ISO 527-1,-2 5 mm/min % 4.4
Yield stress ISO 527-1,-2 5 mm/min MPa 50
Property Name Standard Test condition Unit Value
Melt volume-flow rate ISO 1133 300 °C/ 1.2 kg cm³/10 min 15
Molding shrinkage, normal ISO 294-4 60x60x2 mm % 0.45
Molding shrinkage, parallel ISO 294-4 60x60x2 mm % 0.5
Property Name Standard Test condition Unit Value
Surface resistivity IEC 60093 Ohm 1E16
Volume resistivity IEC 60093 Ohm*m 1E16
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 1250

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