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Makrolon® Rx3440

high viscosity; MVR (300 °C/1.2 kg) 4.5 cm/10 min; medical devices; high lipid resistance; suitable for sterilization with high-energy radiation; biocompatible according to many ISO 10993-1 test requirements; improved oncology drug resistance; transparent parts for medical devices

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Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 290 - 300
Barrel Temperatures - Middle - °C 280 - 290
Barrel Temperatures - Nozzle - °C 300 - 310
Barrel Temperatures - Rear - °C 260 - 270
Dry Air Drying Temperature - °C 120
Dry Air Drying Time - h 2 - 3
Hold Pressure (% of injection pressure) - % 50 - 75
Melt Temperatures - °C 290 - 330
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 310
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 0.65
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
Oxygen index ISO 4589-2 Method A % 27
Resistance to heat (ball pressure test) IEC 60695-10-2 °C 135
Self ignition temperature ASTM D1929 °C 550
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 139
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 126
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 144
Property Name Standard Test condition Unit Value
Ball indentation hardness ISO 2039-1 N/mm² 114
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
Charpy notched impact strength ISO 7391/b.o. ISO 179-1eA -30 °C/ 3 mm kJ/m² 19 C
Charpy notched impact strength ISO 7391/b.o. ISO 179-1eA 23 °C/ 3 mm kJ/m² 90 P
Flexural modulus ISO 178 2 mm/min MPa 2300
Flexural strain at flexural strength ISO 178 2 mm/min % 7.4
Flexural strength ISO 178 2 mm/min MPa 98
Flexural stress at 3.5 % strain ISO 178 2 mm/min MPa 73
Izod notched impact strength ISO 7391/b.o. ISO 180-A 23 °C/ 3 mm kJ/m² 80 P
Izod notched impact strength ISO 7391/b.o. ISO 180-A -30 °C/ 3 mm kJ/m² 14 C
Nominal strain at break ISO 527-1,-2 50 mm/min % > 50
Puncture energy ISO 6603-2 -30 °C J 70
Puncture energy ISO 6603-2 23 °C J 65
Puncture maximum force ISO 6603-2 -30 °C N 6600
Puncture maximum force ISO 6603-2 23 °C N 5700
Strain at break b.o. ISO 527-1,-2 50 mm/min % 135
Stress at break ISO 527-1,-2 50 mm/min MPa 75
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2300
Yield strain ISO 527-1,-2 50 mm/min % 6.4
Yield stress ISO 527-1,-2 50 mm/min MPa 65
Property Name Standard Test condition Unit Value
Melt mass-flow rate ISO 1133 300 °C/ 1.2 kg g/10 min 4.7
Melt volume-flow rate ISO 1133 300 °C/ 1.2 kg cm³/10 min 4.5
Molding shrinkage, normal ISO 294-4 60x60x2 mm/ 500 bar % 0.7
Molding shrinkage, parallel ISO 294-4 60x60x2 mm/ 500 bar % 0.7
Molding shrinkage, parallel/normal b.o. ISO 2577 Value range based on general practical experience % 0.6 - 0.8
Property Name Standard Test condition Unit Value
Injection molding-Injection velocity ISO 294 mm/s 200
Injection molding-Melt temperature ISO 294 °C 300
Injection molding-Mold temperature ISO 294 °C 80
Property Name Standard Test condition Unit Value
Bulk density ISO 60 Pellets kg/m³ 660
Density ISO 1183-1 kg/m³ 1200
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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Safety Data Sheet
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