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PC/PBT Makroblend®  KU2-7912/4 BK COVESTRO GERMANY

313
  • Properties:
    wear resistant
    High elasticity
    Fast forming cycle
  • Usages:
    film
    Printer
    shoes
  • Certificates:
    UL

Technical Data Sheet

physical property Test ConditionTest MethodTest ResultUnit
Density/specific gravity23°CISO11831.20g/cm³
Apparent densityISO600.70g/cm³
Melt volume flow rate260°C/5.0kgISO113316.0cm3/10min
Water absorption rate饱和,23°CISO620.50%
Water absorption rate平衡,23°C,50%RHISO620.20%
Mechanical performanceTest ConditionTest MethodTest ResultUnit
Tensile modulus23°CISO527-2/12150Mpa
Tensile stress屈服,23°CISO527-2/5050.0Mpa
Tensile stress断裂,23°CISO527-2/5045.0Mpa
Tensile strain屈服,23°CISO527-2/504.0%
Nominal tensile fracture strain23°CISO527-2/50>50%
Bending modulus 223°CISO1782100Mpa
Bending stress 223°CISO17875.0Mpa
Bending stress 23.5%Strain,23°CISO17866.0Mpa
Bending strain 323°CISO1785.5%
Thermal performanceTest ConditionTest MethodTest ResultUnit
Hot deformation temperature0.45MPa,未退火ISO75-2/B106°C
Hot deformation temperature1.8MPa,未退火ISO75-2/A82.0°C
Vicat softening temperatureISO306/B120125°C
Melting temperature 5ISO11357-3223°C
Linear coefficient of thermal expansionMD:23到55°CISO11359-29E-05cm/cm/°C
Linear coefficient of thermal expansionTD:23to55°CISO11359-29E-05cm/cm/°C
ThermalConductivity523°CISO83020.20W/m/K
Electrical performanceTest ConditionTest MethodTest ResultUnit
Surface resistivityIEC60093>1.0E+17ohms
Volume resistivity23°CIEC60093>1.0E+17ohms·cm
Dielectric strength23°C,1.00mmIEC60243-135KV/mm
Relative permittivity23°C,100HzIEC602503.20
Relative permittivity23°C,1MHzIEC602503.10
Dissipation factor23°C,100HzIEC602501.5E-03
Dissipation factor23°C,1MHzIEC602500.013
Leakage Trace Index解决方案AIEC60112500V
Leakage Trace Index解决方案BIEC60112100V
Impact performanceTest ConditionTest MethodTest ResultUnit
Charpy Notched Impact Strength -30°CISO179/1eA45kJ/m²
Charpy Notched Impact Strength 23°CISO179/1eA60kJ/m²
Impact strength of simply supported beam without notch-30°CISO179/1eUNoBreak
Impact strength of simply supported beam without notch23°CISO179/1eUNoBreak
Impact strength of cantilever beam gap-30°CISO180/A45kJ/m²
Impact strength of cantilever beam gap-20°CISO180/A52kJ/m²
Impact strength of cantilever beam gap23°CISO180/A60kJ/m²
Unscented Izod impact strength-30°CISO180NoBreak
Unscented Izod impact strength23°CISO180NoBreak
hardnessTest ConditionTest MethodTest ResultUnit
Ball pressure hardnessISO2039-1100Mpa
flammabilityTest ConditionTest MethodTest ResultUnit
FlameRating1.6mmUL94HB
Burning wire flammability index2.0mmIEC60695-2-12700°C
Extreme Oxygen Index 6ISO4589-221%
Burning rate - US-FMVSS>1.00mmISO3795passed
Supplementary InformationTest ConditionTest MethodTest ResultUnit
ElectrolyticalCorrosion23°CIEC60426A1
GottfertMeltViscosity7260°C内部方法670Pa·s
ISO ShortcutISO7792-1-PBT/PC,MHPR,-020
IMPORTANT NOTES: Plas.com collected the data in the data sheet from the material manufacturers. Plas.com makes the best effort to improve the accuracy of the data, but has no responsibility for the data. We strongly recommend verifying the validity of the data with the material manufacturers before making a final decision.