Makrolon® 2556

Category: PC , Polycarbonate
Manufacturer: Covestro - Polycarbonates
Trademark: Makrolon®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: tsWl7V_Makrolon-2556.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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MFR 15 g/10 min; food contact quality; medium viscosity; easy release; injection molding - melt temperature 280 - 320 °C; available in transparent, translucent and opaque colors
General Information
Features
  • Food Contact Acceptable
  • Good Mold Release
  • Medium Viscosity
RoHS Compliance
  • RoHS Compliant
Appearance
  • Clear/Transparent
  • Colors Available
  • Opaque
  • Translucent
Processing Method
  • Injection Molding
PhysicalNominal ValueUnitTest Method
Density (23°C)1.20g/cm³ISO 1183
Apparent Density 10.66g/cm³ISO 60
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)16g/10 minISO 1133
Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)15.0cm³/10minISO 1133
Molding Shrinkage
    Across Flow 0.60 to 0.80%ISO 2577
    Flow 0.60 to 0.80%ISO 2577
    Across Flow : 2.00 mm 20.70%ISO 294-4
    Flow : 2.00 mm 30.65%ISO 294-4
Water Absorption ISO 62
    Saturation, 23°C 0.30%
    Equilibrium, 23°C, 50% RH 0.12%
HardnessNominal ValueUnitTest Method
Ball Indentation Hardness 115MPaISO 2039-1
MechanicalNominal ValueUnitTest Method
Tensile Modulus (23°C)2400MPaISO 527-2/1
Tensile Stress ISO 527-2/50
    Yield, 23°C 66.0MPa
    Break, 23°C 70.0MPa
Tensile Strain ISO 527-2/50
    Yield, 23°C 6.1%
    Break, 23°C 120%
Nominal Tensile Strain at Break (23°C)> 50%ISO 527-2/50
Tensile Creep Modulus ISO 899-1
    1 hr 2200MPa
    1000 hr 1900MPa
Flexural Modulus 4(23°C)2400MPaISO 178
Flexural Stress 5ISO 178
    3.5% Strain, 23°C 73.0MPa
    23°C 97.0MPa
Flexural Strain at Flexural Strength 6(23°C)7.1%ISO 178
FlammabilityNominal ValueUnitTest Method
Application of Flame from Small Burner - Method K and F (2.00 mm)K1, F1DIN 53438-1, -3
Burning Rate - US-FMVSS (> 1.00 mm)passedISO 3795
Flash Ignition Temperature 480°CASTM D1929
Self Ignition Temperature 550°CASTM D1929
Additional InformationNominal ValueTest Method
Electrolytical Corrosion (23°C)A1IEC 60426
ISO Shortname ISO 7391-PC,MR,(,,)-18-9
FilmsNominal ValueUnitTest Method
Water Vapor Transmission Rate (23°C, 85% RH, 100 µm)15g/m²/24 hrISO 15106-1
ImpactNominal ValueUnitTest Method
Charpy Notched Impact Strength 7ISO 7391
    -30°C, Complete Break 16kJ/m²
    23°C, Partial Break 70kJ/m²
Charpy Unnotched Impact Strength ISO 179/1eU
    -60°C No Break
    -30°C No Break
    23°C No Break
Notched Izod Impact Strength 8ISO 7391
    -30°C, Complete Break 15kJ/m²
    23°C, Partial Break 65kJ/m²
Multi-Axial Instrumented Impact Energy ISO 6603-2
    -30°C 65.0J
    23°C 60.0J
Multi-Axial Instrumented Impact Peak Force ISO 6603-2
    -30°C 6300N
    23°C 5400N
ThermalNominal ValueUnitTest Method
Heat Deflection Temperature
    0.45 MPa, Unannealed 136°CISO 75-2/B
    1.8 MPa, Unannealed 124°CISO 75-2/A
Glass Transition Temperature 9145°CISO 11357-2
Vicat Softening Temperature
    -- 144°CISO 306/B50
    -- 145°CISO 306/B120
Ball Pressure Test (136°C)PassIEC 60695-10-2
CLTE ISO 11359-2
    Flow : 23 to 55°C 6.5E-5cm/cm/°C
    Transverse : 23 to 55°C 6.5E-5cm/cm/°C
Thermal Conductivity 10(23°C)0.20W/m/KISO 8302
RTI Elec (1.50 mm)125°CUL 746
RTI Imp (1.50 mm)115°CUL 746
RTI Str (1.50 mm)125°CUL 746
ElectricalNominal ValueUnitTest Method
Surface Resistivity 1.0E+16ohmsIEC 60093
Volume Resistivity (23°C)1.0E+16ohms·cmIEC 60093
Electric Strength (23°C, 1.00 mm)34kV/mmIEC 60243-1
Relative Permittivity IEC 60250
    23°C, 100 Hz 3.10
    23°C, 1 MHz 3.00
Dissipation Factor IEC 60250
    23°C, 100 Hz 5.0E-4
    23°C, 1 MHz 9.0E-3
Comparative Tracking Index IEC 60112
    Solution A 250V
    Solution B 125V
FlammabilityNominal ValueUnitTest Method
Flame Rating UL 94
    2.50 mm HB
    1.50 mm V-2
Oxygen Index 1127%ISO 4589-2
OpticalNominal ValueUnitTest Method
Refractive Index 121.586ISO 489
Transmittance ISO 13468-2
    1000 µm 89.0%
    2000 µm 89.0%
    3000 µm 88.0%
    4000 µm 87.0%
Haze (3000 µm)< 0.80%ISO 14782
Note Message
1 .Pellets
2 .60x60x2 mm, 500 bar
3 .60x60x2 mm, 500 bar
4 .2.0 mm/min
5 .2.0 mm/min
6 .2 mm/min
7 .Based on ISO 179-1eA, 3 mm
8 .Based on ISO 180-A, 3 mm
9 .10°C/min
10 .Cross-flow
11 .Procedure A
12 .Method A
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