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Elmet Technologies

Covestro Makrolon® 2408 Polycarbonate
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded

Material Notes: MVR (300 °C/1.2 kg) 19 cm³/10 min; medical devices; suitable for ETO and steam sterilization at 121 °C; biocompatible according to many ISO 10993-1 test requirements; low viscosity; injection molding - melt temperature 280 - 320 °C; available in color code 000000 only

As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Bulk Density 0.660 g/cc0.0238 lb/in³pellets; ISO 60
Density 1.20 g/cc0.0434 lb/in³ISO 1183-1
Moisture Absorption at Equilibrium 0.12 %0.12 %ISO 62, 50% RH
Water Absorption at Saturation 0.30 %0.30 %ISO 62
Linear Mold Shrinkage, Flow 0.0065 cm/cm
@Thickness 2.00 mm
0.0065 in/in
@Thickness 0.0787 in
60x60x2 mm; 500 bar; ISO 294-4
Linear Mold Shrinkage, Transverse 0.0065 cm/cm
@Thickness 2.00 mm
0.0065 in/in
@Thickness 0.0787 in
60x60x2 mm; 500 bar; ISO 294-4
Melt Flow 20 g/10 min
@Load 1.20 kg,
Temperature 300 °C
20 g/10 min
@Load 2.65 lb,
Temperature 572 °F
ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Puncture Resistance  5100 N
@Temperature 23.0 °C
1150 lb (f)
@Temperature 73.4 °F
ISO 6603-2
 6000 N
@Temperature -30.0 °C
1350 lb (f)
@Temperature -22.0 °F
ISO 6603-2
Ball Indentation Hardness 113 MPa16400 psiISO 2039-1
Tensile Strength at Break 70.0 MPa10200 psi50 mm/min; ISO 527-1,-2
Tensile Strength, Yield 65.0 MPa9430 psi50 mm/min; ISO 527-1,-2
Elongation at Break >= 50 %>= 50 %Nominal, 50 mm/min; ISO 527-1,-2
 120 %120 %50 mm/min; b.o. ISO 527-1,-2
Elongation at Yield 6.3 %6.3 %50 mm/min; ISO 527-1,-2
Tensile Modulus 2.35 GPa341 ksi1 mm/min; ISO 527-1,-2
Flexural Strength 96.0 MPa13900 psi2 mm/min; ISO 178
Flexural Yield Strength 72.0 MPa
@Strain 3.5 %
10400 psi
@Strain 3.5 %
2 mm/min; ISO 178
Flexural Modulus 2.35 GPa341 ksi2 mm/min; ISO 178
Flexural Strain at Yield 7.0 %7.0 %2 mm/min; ISO 178
Izod Impact, Notched (ISO)  12.0 kJ/m²
@Thickness 3.00 mm,
Temperature -30.0 °C
5.71 ft-lb/in²
@Thickness 0.118 in,
Temperature -22.0 °F
complete break; b.o. ISO 180-A
 75.0 kJ/m²
@Thickness 3.00 mm,
Temperature 23.0 °C
35.7 ft-lb/in²
@Thickness 0.118 in,
Temperature 73.4 °F
partial break; b.o. ISO 180-A
Charpy Impact Unnotched  NB
@Temperature 23.0 °C
NB
@Temperature 73.4 °F
ISO 179-1eU
 NB
@Temperature -30.0 °C
NB
@Temperature -22.0 °F
ISO 179-1eU
 NB
@Temperature -60.0 °C
NB
@Temperature -76.0 °F
ISO 179-1eU
Charpy Impact, Notched  1.40 J/cm²
@Thickness 3.00 mm,
Temperature -30.0 °C
6.66 ft-lb/in²
@Thickness 0.118 in,
Temperature -22.0 °F
complete break; ISO 7391/b.o. ISO 179-1eA
 6.50 J/cm²
@Thickness 3.00 mm,
Temperature 23.0 °C
30.9 ft-lb/in²
@Thickness 0.118 in,
Temperature 73.4 °F
partial break; ISO 7391/b.o. ISO 179-1eA
Puncture Energy  55.0 J
@Temperature 23.0 °C
40.6 ft-lb
@Temperature 73.4 °F
ISO 6603-2
 65.0 J
@Temperature -30.0 °C
47.9 ft-lb
@Temperature -22.0 °F
ISO 6603-2
Tensile Creep Modulus, 1 hour 2200 MPa319000 psiISO 899-1
Tensile Creep Modulus, 1000 hours 1900 MPa276000 psiISO 899-1
 
Thermal PropertiesMetricEnglishComments
CTE, linear, Parallel to Flow 65.0 µm/m-°C
@Temperature 23.0 - 55.0 °C
36.1 µin/in-°F
@Temperature 73.4 - 131 °F
ISO 11359-1,-2
CTE, linear, Transverse to Flow 65.0 µm/m-°C
@Temperature 23.0 - 55.0 °C
36.1 µin/in-°F
@Temperature 73.4 - 131 °F
ISO 11359-1,-2
Thermal Conductivity 0.200 W/m-K1.39 BTU-in/hr-ft²-°Fcross-flow; ISO 8302
Hot Ball Pressure Test 138 °C280 °FIEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi) 139 °C282 °FISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi) 127 °C261 °FISO 75-1,-2
Vicat Softening Point  147 °C
@Load 5.10 kg
297 °F
@Load 11.2 lb
50°C/h; ISO 306
 148 °C
@Load 5.10 kg
298 °F
@Load 11.2 lb
120°C/h; ISO 306
Glass Transition Temp, Tg 147 °C297 °F10°C/min; ISO 11357-1,-2
Flash Point 480 °C896 °FASTM D 1929
 550 °C1020 °Fself ignition; ASTM D 1929
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.5861.586Procedure A; ISO 489
Haze <= 0.80 %
@Thickness 3.00 mm
<= 0.80 %
@Thickness 0.118 in
ISO 14782
Transmission, Visible  87 %
@Thickness 4.00 mm
87 %
@Thickness 0.157 in
ISO 13468-2
 88 %
@Thickness 3.00 mm
88 %
@Thickness 0.118 in
ISO 13468-2
 89 %
@Thickness 1.00 mm
89 %
@Thickness 0.0394 in
ISO 13468-2
 89 %
@Thickness 2.00 mm
89 %
@Thickness 0.0787 in
ISO 13468-2
 
Processing PropertiesMetricEnglishComments
Melt Temperature 280 °C536 °FInjection molding; ISO 294
Mold Temperature 80.0 °C176 °FInjection molding; ISO 294
Injection Velocity 200 mm/sec7.87 in/secISO 294

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