KF 850

Category: PVDF , Polyvinylidene Fluoride
Manufacturer: Kureha Corporation
Trademark: KF
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: NzebgG_KF-850.pdf
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KF 850 PVDF homopolymer is a low-viscosity PVDF resin typically processed by injection molding. This material offers excellent chemical resistance at ambient and elevated temperatures. PVDF is also inherently UV stable, mechanically tough, abrasion
General Information
Features
  • Homopolymer
  • Low Viscosity
Uses
  • Piping
  • Valves/Valve Parts
Forms
  • Pellets
  • Powder
Processing Method
  • Injection Molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.77 to 1.79g/cm³ASTM D792
Melt Mass-Flow Rate (MFR) (230°C/5.0 kg)18 to 26g/10 minASTM D1238
Water Absorption (Equilibrium)0.030%ASTM D570
Solution Viscosity - DMF (30°C)85cm³/g
HardnessNominal ValueUnitTest Method
Shore Hardness 1(Shore D, 23°C)78ISO 868
MechanicalNominal ValueUnitTest Method
Tensile Modulus 2510MPaISO 527-2
Tensile Stress (Yield)57.0MPaISO 527-2
Tensile Strain (Break)76%ISO 527-2
Flexural Modulus 1990MPaISO 178
Flexural Stress 75.0MPaISO 178
Compressive Modulus 1700MPaISO 604
Compressive Stress 76.0MPaISO 604
Taber Abrasion Resistance (1000 Cycles, 1000 g)31.0mgISO 9352
ImpactNominal ValueUnitTest Method
Notched Izod Impact (Area) ASTM D256
    -40°C 3.00kJ/m²
    -20°C 3.00kJ/m²
    0°C 5.00kJ/m²
    20°C 7.90kJ/m²
ThermalNominal ValueUnitTest Method
Brittleness Temperature -13.0°CASTM D746
Glass Transition Temperature -35.0°CDMA
Vicat Softening Temperature 171°CISO 306/A50
Peak Melting Temperature 173°CASTM D3418
Peak Crystallization Temperature (DSC) 140°CASTM D3418
CLTE - Flow (23 to 80°C)1.6E-4cm/cm/°CISO 11359-2
Specific Heat (23°C)1200J/kg/°CJIS K7123
Thermal Conductivity (23°C)0.17W/m/KASTM E1530
ElectricalNominal ValueUnitTest Method
Surface Resistivity > 1.0E+15ohmsASTM D257
Volume Resistivity 1.0E+14 to 1.0E+15ohms·cmASTM D257
Dielectric Strength (0.0340 mm)300kV/mmASTM D149
Dielectric Constant (1 kHz)10.0ASTM D150
Dissipation Factor (1 kHz)0.015ASTM D150
FlammabilityNominal ValueUnitTest Method
Flame Rating (equivalent)V-0UL 94
Oxygen Index 244%ISO 4589-2
OpticalNominal ValueTest Method
Refractive Index 31.420ASTM D542
Fill AnalysisNominal ValueUnitTest Method
Melt Viscosity (240°C, 50.0 sec^-1)1200Pa·sASTM D3835
Note Message
1 .50N
2 .Type-IV
3 .25°C
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