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Covestro Makrolon® 2408 Polycarbonate

Category Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate, Molded
Manufacturer Covestro
Trade Name Makrolon®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Covestro Makrolon® 2408 Polycarbonate.pdf
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Material Notes:
Main characteristics:• High toughness• Good heat resistance• Glass-like transparency, optical quality• High dimensional accuracy and stabilityGrade characteristics:• Medical devices - biocompatible ISO 10993-1• Low viscosityAs of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
Physical Properties Metric English Comments
Bulk Density 0.660 g/cc
0.0238 lb/in³
pellets; ISO 60
Density 1.20 g/cc
0.0434 lb/in³
ISO 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 Properties Metric English Comments
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 MPa
16400 psi
ISO 2039-1
Tensile Strength at Break 70.0 MPa
10200 psi
50 mm/min; ISO 527-1,-2
Tensile Strength, Yield 65.0 MPa
9430 psi
50 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 GPa
341 ksi
1 mm/min; ISO 527-1,-2
Flexural Strength 96.0 MPa
13900 psi
2 mm/min; ISO 178
Flexural Yield Strength 72.0 MPa

@Strain 3.50 %
10400 psi

@Strain 3.50 %
2 mm/min; ISO 178
Flexural Modulus 2.35 GPa
341 ksi
2 mm/min; ISO 178
Izod Impact, Notched (ISO) 12.0 kJ/m²

@Thickness 3.20 mm,
Temperature -30.0 °C
5.71 ft-lb/in²

@Thickness 0.126 in,
Temperature -22.0 °F
complete break; b.o. ISO 180-A
75.0 kJ/m²

@Thickness 3.20 mm,
Temperature 23.0 °C
35.7 ft-lb/in²

@Thickness 0.126 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 MPa
319000 psi
ISO 899-1
Tensile Creep Modulus, 1000 hours 1900 MPa
276000 psi
ISO 899-1
Thermal Properties Metric English Comments
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-K
1.39 BTU-in/hr-ft²-°F
cross-flow; ISO 8302
Hot Ball Pressure Test 138 °C
280 °F
IEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi) 139 °C
282 °F
ISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi) 127 °C
261 °F
ISO 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 °C
297 °F
10°C/min; ISO 11357-1,-2
Flash Point 480 °C
896 °F
ASTM D 1929
550 °C
1020 °F
self ignition; ASTM D 1929
Optical Properties Metric English Comments
Refractive Index 1.586
1.586
Procedure 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 Properties Metric English Comments
Melt Temperature 280 °C
536 °F
Injection molding; ISO 294
Mold Temperature 80.0 °C
176 °F
Injection molding; ISO 294
Injection Velocity 200 mm/sec
7.87 in/sec
ISO 294
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