Makrolon® 6485

About
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&&

Product Description
SupplierCovestro
GenericPolycarbonate
Material StatusCommercial: Active
FeaturesGood stripping performance,Flame Characteristics,V-1,V-0,5VA
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density1.20g/cm³ISO 1183
Apparent density0.64g/cm³ISO 60
Melt Flow Rate
300℃,1.20kg10g/10minISO 1133
Melt Volume Rate
300℃,1.2 kg9.00cm³/10minISO 1133
Shrinkage rate 
TD0.60 to 0.80%ISO 2577
MD0.60 to 0.80%ISO 2577
TD:2.0 mm0.70%ISO 294-4
MD:2.0 mm0.65%ISO 294-4
Water absorption rate
Saturation, 23 ℃0.30%ISO 62
Equilibrium, 23 ℃, 50% RH0.12%ISO 62

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 7391
-30 ℃, completely fractured14kJ/m²ISO 7391
23 ℃, localized fracture70kJ/m²ISO 7391
Charpy Unnotch Impact strength ISO 179/1eU
-60℃No Break ISO 179/1eU
-30℃No Break ISO 179/1eU
23℃No Break ISO 179/1eU
Impact strength of cantilever beam notch ISO 7391
-30 ℃, completely fractured12kJ/m²ISO 7391
23 ℃, localized fracture65kJ/m²ISO 7391
Multi axial instrumented impact energy ISO 6603-2
-30℃55.0JISO 6603-2
23℃50.0JISO 6603-2
Multi axial instrumented peak impact force ISO 6603-2
-30℃6000NISO 6603-2
23℃5200NISO 6603-2

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, unannealed124ISO 75-2/A
0.45 MPa, unannealed136ISO 75-2/B
Glass transition temperature142ISO 11357-2
Vicat Softening Temp 
B50144ISO 306
B120145ISO 306/B120
Ball pressure test
136℃Pass IEC 60695-10-2
Linear coefficient of thermal expansion
TD:23~55℃6.5E-51/℃ISO 11359-2
MD:23~55℃6.5E-51/℃ISO 11359-2
Thermal conductivity coefficient
23℃0.20W/m/KISO 8302
Relative temperature index
Electrical performance, 1.50 mm125UL 746
Strength mechanical performance, 1.50 mm125UL 746
Impact mechanical performance, 1.50 mm115UL 746

Electrical performanceNominal valueUnitTest method
Surface resistivity1.0E+16ohmsIEC 60093
Volume resistivity
23℃1.0E+16ohms·cmIEC 60093
Dielectric strength
23 ℃,1 mm34kV/mmIEC 60243-1
Relative permittivity IEC 60250
23℃,100 Hz3.10 IEC 60250
23℃,1 MHz3.00 IEC 60250
Dissipation factor IEC 60250
23℃,100 Hz8.0E-4 IEC 60250
23℃,1 MHz9.0E-3 IEC 60250
Compared to the leakage tracing index IEC 60112
Solution A225VIEC 60112
Solution B125VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level UL 94
0.75 mmV-1 UL 94
1.50 mmV-0 UL 94
3.00 mm5VA UL 94
Glowing wire flammability index IEC 60695-2-12
0.75 mm960IEC 60695-2-12
1.5 mm960IEC 60695-2-12
3.0 mm960IEC 60695-2-12
Igniting temperature of the hot wire IEC 60695-2-13
0.75 mm875IEC 60695-2-13
1.5 mm875IEC 60695-2-13
3 mm875IEC 60695-2-13
Extreme oxygen index36%ISO 4589-2
The Application of Small Burner Flames
Method K and F,2.00 mmK1, F1 DIN 53438-1, -3
Burning rate
USFMVSS,> 1.00 mmpassed ISO 3795
Flash Ignition Temperature460ASTM D1929
Glow Wire Test EDF HN60 E.02
1.50 mm750EDF HN60 E.02
3.00 mm750EDF HN60 E.02
Needle flame test IEC 60695-11-5
Method F:1.50 mm2.0minIEC 60695-11-5
Method F:2.00 mm2.0minIEC 60695-11-5
Method F:3.00 mm2.0minIEC 60695-11-5
Method K:1.50 mm2.0minIEC 60695-11-5
Method K:2.00 mm2.0minIEC 60695-11-5
Method K:3.00 mm2.0minIEC 60695-11-5
Autoignition temperature540ASTM D1929

Supplementary informationNominal valueUnitTest method
Electrolytic corrosion
23℃A1 IEC 60426
ISO ShortnameISO 7391-PC,MFR,(,,)-09-9 

MECHANICALNominal valueUnitTest method
Tensile modulus
23℃2400MPaISO 527-1-2
tensile strength
Fracture, 23 ℃65.0MPaISO 527-2/50
Yield, 23 ℃66.0MPaISO 527-2/50
Tensile strain
Fracture, 23 ℃120%ISO 527-2/50
Yield, 23 ℃6.1%ISO 527-2/50
Nominal tensile fracture strain
23℃> 50%ISO 527-2/50
Tensile Creep Modulus(1 hr)2200MPaISO 899-1
Tensile creep modulus
1000 hr1900MPaISO 899-1
Bending modulus
23℃2400MPaISO 178
bending strength ISO 178
3.50% strain, 23 ℃74.0MPaISO 178
23℃98.0MPaISO 178
Bending strain7.1%ISO 178
Ball hardness115MPaISO 2039-1

Process Conditions
Forming processNominal valueUnitTest method
Melt Temperature280-320
Standard melt temperature300
Temperature of the feeding section of the material pipe250-260mm/s
Temperature of the middle section of the material pipe270-280
Temperature of the front section of the material pipe280-290
Nozzle temperature290-300
Mold temperature80-120
Melt back pressure50-150bar
Screw speed0.05-0.2m/s
Injection volume30-70%
drying temperature120
Drying time2-3h
Maximum moisture content≤0.02%
Depth of exhaust groove0.025-0.075mm

Notes
1. Typical properties: these are not to be construed as specifications.
2. Pellets
3. 60x60x2 mm, 500 bar
4. 0.079 in/min
5. 2 mm/min
6. Based on ISO 179-1eA, 3 mm
7. Based on ISO 180-A, 3 mm
8. 10°C/min
9. Cross-flow
10. Procedure A
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