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Elmet Technologies

Covestro Makrolon® 6457 Polycarbonate, Flame Retardant Grade
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Molded

Material Notes: MVR (300 °C/1.2 kg) 12 cm³/10 min; flame retardant; UL 94V-0/3.0 mm; medium viscosity; UV stabilized; easy release; injection molding - melt temperature 280 - 320 °C; available in transparent and opaque colors

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 0.640 g/cc0.0231 lb/in³pellets; ISO 60
Density 1.20 g/cc0.0434 lb/in³ISO 1183
Moisture Absorption at Equilibrium 0.12 %0.12 %ISO 62
Water Absorption at Saturation 0.30 %0.30 %ISO 62
Water Vapor Transmission 15.0 g/m²/day
@Thickness 0.100 mm,
Temperature 23.0 °C
0.966 g/100 in²/day
@Thickness 0.00394 in,
Temperature 73.4 °F
85% RH; ISO 15106-1
Linear Mold Shrinkage 0.0060 - 0.0080 cm/cm0.0060 - 0.0080 in/inparallel/normal; b.o. ISO 2577
Linear Mold Shrinkage, Flow 0.0065 cm/cm0.0065 in/in60x60x2 mm; 500 bar; ISO 294-4
Linear Mold Shrinkage, Transverse 0.0070 cm/cm0.0070 in/in60x60x2 mm; 500 bar; ISO 294-4
Melt Flow 13 g/10 min
@Load 1.20 kg,
Temperature 300 °C
13 g/10 min
@Load 2.65 lb,
Temperature 572 °F
ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength at Break 65.0 MPa9430 psi50 mm/min; ISO 527-1/-2
Tensile Strength, Yield 67.0 MPa9720 psi50 mm/min; ISO 527-1/-2
Elongation at Break >= 50 %>= 50 %Nominal, 50 mm/min; ISO 527-1/-2
 115 %115 %50 mm/min; ISO 527-1/-2
Elongation at Yield 6.1 %6.1 %50 mm/min; ISO 527-1/-2
Tensile Modulus 2.45 GPa355 ksi1 mm/min; ISO 527-1/-2
Flexural Strength 99.0 MPa14400 psi2 mm/min; ISO 178
Flexural Yield Strength 75.0 MPa
@Strain 3.5 %
10900 psi
@Strain 3.5 %
2 mm/min; ISO 178
Flexural Modulus 2.40 GPa348 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; ISO 7391/b.o. ISO 180-A
 65.0 kJ/m²
@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 180-A
Charpy Impact Unnotched NBNBISO 179/1eU
 NB
@Temperature -30.0 °C
NB
@Temperature -22.0 °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
 7.00 J/cm²
@Thickness 3.00 mm,
Temperature 23.0 °C
33.3 ft-lb/in²
@Thickness 0.118 in,
Temperature 73.4 °F
partial break; ISO 7391/b.o. ISO 179-1eA
Impact 54005400Puncture - maximum force (N); ISO 6603-2
 6300
@Temperature -30.0 °C
6300
@Temperature -22.0 °F
Puncture - maximum force (N); ISO 6603-2
Puncture Energy 60.0 J44.3 ft-lbISO 6603-2
 65.0 J
@Temperature -30.0 °C
47.9 ft-lb
@Temperature -22.0 °F
ISO 6603-2
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+14 ohm-cm1.00e+14 ohm-cmIEC 60093
Surface Resistance 1.00e+16 ohm1.00e+16 ohmIEC 60093
Dielectric Constant  3.0
@Frequency 1e+6 Hz
3.0
@Frequency 1e+6 Hz
IEC 60250
 3.1
@Frequency 100 Hz
3.1
@Frequency 100 Hz
IEC 60250
Dielectric Strength 34.0 kV/mm864 kV/in1 mm; IEC 60243-1
Dissipation Factor  0.00080
@Frequency 100 Hz
0.00080
@Frequency 100 Hz
IEC 60250
 0.0090
@Frequency 1e+6 Hz
0.0090
@Frequency 1e+6 Hz
IEC 60250
Comparative Tracking Index 125 V125 VCTI M; Solution B; ISO 60112
 225 V225 VSolution A; IEC 60112
 
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 135 °C275 °FIEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi) 135 °C275 °FISO 75-1/-2
Deflection Temperature at 1.8 MPa (264 psi) 123 °C253 °FISO 75-1/-2
Vicat Softening Point 142 °C288 °F50°C/h 50N; ISO 306
 143 °C289 °F50 N, 120°C/h; ISO 306
Glass Transition Temp, Tg 144 °C291 °FISO 11357-1/-2
UL RTI, Electrical 125 °C
@Thickness 1.50 mm
257 °F
@Thickness 0.0591 in
UL 746B
UL RTI, Mechanical with Impact 115 °C
@Thickness 1.50 mm
239 °F
@Thickness 0.0591 in
UL 746B
UL RTI, Mechanical without Impact 125 °C
@Thickness 1.50 mm
257 °F
@Thickness 0.0591 in
UL 746B
Flammability, UL94  V-2
@Thickness 1.50 mm
V-2
@Thickness 0.0591 in
IEC 60695-11-10
 V-0
@Thickness 3.00 mm
V-0
@Thickness 0.118 in
IEC 60695-11-10
Flash Point 460 °C860 °FASTM D1929
 530 °C986 °FASTM D1929
Oxygen Index 35 %35 %Method A; ISO 4589-1/-2
Glow Wire Flammability Index  875 °C
@Thickness 1.00 mm
1610 °F
@Thickness 0.0394 in
IEC 60695-2-12
 960 °C
@Thickness 1.50 mm
1760 °F
@Thickness 0.0591 in
IEC 60695-2-12
 960 °C
@Thickness 2.00 mm
1760 °F
@Thickness 0.0787 in
IEC 60695-2-12
 960 °C
@Thickness 3.00 mm
1760 °F
@Thickness 0.118 in
IEC 60695-2-12
 960 °C
@Thickness 4.00 mm
1760 °F
@Thickness 0.157 in
IEC 60695-2-12
 
Optical PropertiesMetricEnglishComments
Refractive Index 1.5861.586Procedure A; ISO 489
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 290 °C554 °FInjection Molding; ISO 294
Mold Temperature 80.0 °C176 °FInjection Molding; ISO 294
Injection Velocity 200 mm/sec7.87 in/secISO 294
 
Descriptive Properties
Electrolytic corrosionA1IEC 60426

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