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Makrolon® M820 GF

polycarbonate; MVR (300 °C/1.2 kg) 3.5 cm³/10 min; high viscosity; 20 % glass fiber reinforced; biocompatible according to many ISO 10993-1 test requirements; suitable for medical devices

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Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Dry Air Drying Temperature - °C 120
Dry Air Drying Time - h 4
Mold Temperatures - °C 100
Standard Melt temperature - °C 310
Property Name Standard Test condition Unit Value
Coefficient of linear thermal expansion, normal ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.4
Coefficient of linear thermal expansion, parallel ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.3
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 146
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 140
Vicat softening temperature ISO 306 50 N; 120 °C/h °C 150
Property Name Standard Test condition Unit Value
Flexural modulus ISO 178 2 mm/min MPa 5800
Flexural strength ISO 178 2 mm/min MPa 168
Izod notched impact strength ISO 7391/b.o. ISO 180-A -30 °C kJ/m² 14
Izod notched impact strength ISO 7391/b.o. ISO 180-A 0 °C kJ/m² 16
Strain at break ISO 527-1,-2 5 mm/min % 4.0
Stress at break ISO 527-1,-2 5 mm/min MPa 100
Tensile modulus ISO 527-1,-2 1 mm/min MPa 5600
Property Name Standard Test condition Unit Value
Melt viscosity b.o. ISO 11443-A 1000 s^-1^/ 300 °C Pa*s 660
Melt volume-flow rate ISO 1133 300 °C/ 1.2 kg cm³/10 min 3.5
Molding shrinkage, normal ISO 294-4 60x60x2 mm % 0.55
Molding shrinkage, parallel ISO 294-4 60x60x2 mm % 0.3
Property Name Standard Test condition Unit Value
Density ISO 1183-1 kg/m³ 1340
Water absorption (equilibrium value) ISO 62 23 °C; 50 % r. h. % 0.11
Water absorption (saturation value) ISO 62 Water at 23 °C % 0.28

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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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