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Covestro Makrolon® 6485 Polycarbonate, Injection Grade
Categories: Polymer; Thermoplastic; Polycarbonate (PC); Polycarbonate, Unreinforced, Flame Retardant
Material Notes: MVR (300 °C/1.2 kg) 9.0 cm³/10 min; flame retardant; UL 94V-0/1.5 mm and 5VA/3.0 mm; medium viscosity; easy release; injection molding - melt temperature 280 - 320 °C; available in opaque colors only

As of 1 September 2015, Bayer MaterialScience was separated from Bayer AG and officially adopted its new name – Covestro.
Key Words: PC
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 1183-1
Moisture Absorption at Equilibrium 0.12 %0.12 %50% RH; ISO 62
Water Absorption at Saturation 0.30 %0.30 %ISO 62
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 10 g/10 min
@Load 1.20 kg,
Temperature 300 °C		10 g/10 min
@Load 2.65 lb,
Temperature 572 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Puncture Resistance  5200 N
@Temperature 23.0 °C		1170 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 115 MPa16700 psiISO 2039-1
Tensile Strength at Break 65.0 MPa9430 psi50 mm/min; ISO 527-1/2
Tensile Strength, Yield 66.0 MPa9570 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; ISO 527-1/2
Elongation at Yield 6.1 %6.1 %50 mm/min; ISO 527-1/2
Tensile Modulus 2.40 GPa348 ksi1 mm/min; ISO 527-1/2
Flexural Strength 98.0 MPa14200 psi2 mm/min; ISO 178
Flexural Yield Strength 74.0 MPa10700 psiat 3.5% strain, 2 mm/min; ISO 178
Flexural Modulus 2.40 GPa348 ksi2 mm/min; ISO 178
Flexural Strain at Yield 7.1 %7.1 %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
 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
 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
Puncture Energy  50.0 J
@Temperature 23.0 °C		36.9 ft-lb
@Temperature 73.4 °F		ISO 6603-2
 55.0 J
@Temperature -30.0 °C		40.6 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
 
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 30.0 kV/mm762 kV/inIEC 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; IEC 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-°FISO 8302
Hot Ball Pressure Test 136 °C277 °FIEC 60695-10-2
Deflection Temperature at 0.46 MPa (66 psi) 136 °C277 °FISO 75-1,-2
Deflection Temperature at 1.8 MPa (264 psi) 124 °C255 °FISO 75-1,-2
Vicat Softening Point 144 °C291 °F50 N, 50°C/h; ISO 306
 145 °C293 °F50 N, 120°C/h; ISO 306
Glass Transition Temp, Tg 142 °C288 °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 110 °C
@Thickness 1.50 mm		230 °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-1
@Thickness 0.750 mm		V-1
@Thickness 0.0295 in
 V-0
@Thickness 1.50 mm		V-0
@Thickness 0.0591 in
 5VA
@Thickness 3.00 mm		5VA
@Thickness 0.118 in
Flash Point 460 °C860 °Fignition; ASTM D1929
 540 °C1000 °Fself ignition; ASTM D1929
Oxygen Index 36 %36 %Method A; ISO 4589-2
Glow Wire Test  750 °C
@Thickness 1.50 mm		1380 °F
@Thickness 0.0591 in		b.o. EDF HN60 E.02
 750 °C
@Thickness 3.00 mm		1380 °F
@Thickness 0.118 in		b.o. EDF HN60 E.02
Glow Wire Ignition Temperature  875 °C
@Thickness 0.750 mm		1610 °F
@Thickness 0.0295 in		IEC 60695-2-13
 875 °C
@Thickness 1.50 mm		1610 °F
@Thickness 0.0591 in		IEC 60695-2-13
 875 °C
@Thickness 3.00 mm		1610 °F
@Thickness 0.118 in		IEC 60695-2-13
Glow Wire Flammability Index  960 °C
@Thickness 0.750 mm		1760 °F
@Thickness 0.0295 in		IEC 60695-2-12
 960 °C
@Thickness 1.50 mm		1760 °F
@Thickness 0.0591 in		IEC 60695-2-12
 960 °C
@Thickness 3.00 mm		1760 °F
@Thickness 0.118 in		IEC 60695-2-12
 
Processing PropertiesMetricEnglishComments
Melt Temperature 300 °C572 °FISO 294
Mold Temperature 80.0 °C176 °FISO 294
Injection Velocity 200 mm/sec7.87 in/secISO 294
 
Descriptive Properties
Electrolytic corrosionA1IEC 60426
Needle flame test120 sMethod K, 1.5 mm; IEC 60695-11-5
 120 sMethod K, 2 mm; IEC 60695-11-5
 120 sMethod K, 3 mm; IEC 60695-11-5
 120 sMethod F, 1.5 mm; IEC 60695-11-5
 120 sMethod F, 2 mm; IEC 60695-11-5
 120 sMethod F, 3 mm; IEC 60695-11-5

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PBA446 / 26947

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