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Makrolon® Rx2235

low viscosity; easy release; suitable for radiation sterilization; biocompatible according to many ISO 10993-1 test requirements; transparent parts for medical devices

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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
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
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 131
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 117
Vicat softening temperature ISO 306 50 N; 120 °C/h °C 138
Property Name Standard Test condition Unit Value
Charpy impact strength ISO 179/1eU -30 °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 23 °C kJ/m² 12C(P)
Charpy notched impact strength ISO 7391/b.o. ISO 179/1eA -30 °C kJ/m² 9C
Flexural modulus ISO 178 2 mm/min MPa 2400
Flexural strength ISO 178 2 mm/min MPa 95
Izod notched impact strength ISO 7391/b.o. ISO 180/A 23 °C kJ/m² 10C(P)
Puncture energy ISO 6603-2 -30 °C J 60
Puncture energy ISO 6603-2 23 °C J 55
Puncture impact properties - maximum force ISO 6603-2 -30 °C N 6100
Puncture impact properties - maximum force ISO 6603-2 23 °C N 4900
Strain at break b.o. ISO 527-1,-2 50 mm/min % >50
Stress at break ISO 527-1,-2 50 mm/min MPa 55
Tensile modulus ISO 527-1,-2 1 mm/min MPa 2400
Yield strain ISO 527-1,-2 50 mm/min % 5.9
Yield stress ISO 527-1,-2 50 mm/min MPa 65
Property Name Standard Test condition Unit Value
Melt volume-flow rate ISO 1133 300 °C/ 1.2 kg cm³/10 min 34
Molding shrinkage, parallel/normal b.o. ISO 2577 Value range based on general practical experience % 0.5 - 0.7
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
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
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