Arkema · Grade
Kynar 720
PVDF
Kynar 720 resin is a standard grade of fluorinated thermoplastic homopolymer pellets for injection molding, offering excellent chemical resistance, UV resistance, barrier properties, high purity, and good mechanical and thermo-mechanical properties.
Manufacturer
Arkema
Status
active
Technical properties
| Melt viscosity, 230℃ at 100 s⁻¹ | 4-10 kPo |
| Shrinkage, normal (t+24h) | 2 % |
| Shrinkage, parallel (t+24h) | 2 % |
| Melt flow index (MFR), 230℃/5kg | 19-35 g/10min |
| Melt volume flow rate (MVR), 230℃/5kg | 11 cm³/10min |
| Yield stress, 23℃ | 44.8-55.2 MPa |
| Stress at break, 23℃ | 34.5-55.2 MPa |
| Compression strength, 23℃ | 68.9-103 MPa |
| Izod impact unnotched strength, 23℃ | 1070-4270 J/m |
| Izod impact notched strength, 23℃ | 80-214 J/m |
| Charpy unnotched impact strength, 23℃ | 192 kJ/m² |
| Charpy unnotched impact strength, -30℃ | 208 kJ/m² |
| Charpy notched impact strength, 23℃ | 8 kJ/m² |
| Charpy notched impact strength, -30℃ | 5 kJ/m² |
| Hardness, shore D | 76-80 |
| Nominal strain at break, 23℃ | >50 % |
| Yield strain, 23℃ | 9 % |
| Flexural modulus, 23℃ | 1380-2310 MPa |
| Tensile modulus, 23℃ | 2300 MPa |
| Coefficient of friction dynamic vs steel, 23℃ | 0.14 |
| Coefficient of friction static vs steel, 23℃ | 0.2 |
| Abrasion resistance, wheel CS17, load 1kg, 1000 cycles | 5-9 mg |
| Glass transition temperature | -40 ℃ |
| Vicat softening temperature, 50N at 50℃/h | 140 ℃ |
| Limiting oxygen index (LOI) | 44 % |
| Coefficient of linear thermal expansion, 23℃ | 119-144 10⁻⁶/℃ |
| Specific heat temperature, 23℃ | 665-958 |
| Heat deflection temperature, 0.45MPa | 130 ℃ |
| Heat deflection temperature, 1.8MPa | 110 ℃ |
| Heat deflection temperature, 1.8MPa, 138℃/h | 105-115 ℃ |
| Heat deflection temperature, 0.45MPa, 138℃/h | 125-140 ℃ |
| Thermal conductivity | 0.17-0.19 W/m-K |
| Melting temperature, 10℃/min | 168 ℃ |
| Dielectric constant, 1kHz | 4.5-9.5 |
| Dielectric strength, 23℃ | 1.7 kV/mm |
| Relative permittivity, 100Hz | 9 |
| Relative permittivity, 1MHz | 6 |
| Relative thermal index | 150 |
| Dissipation factor, 100Hz | 350 E-4 |
| Dissipation factor, 1MHz | 2060 E-4 |
| Dissipation factor | 0.01-0.21 |
| Density, 23℃ | 1.77-1.79 g/cm³ |
| Water absorption, at equilibrium at 23℃/Immersion | 0.03 % |
Indicative values. Always consult the manufacturer's official datasheet before specification.
Kynar 720 equivalents
No verified equivalents indexed yet.
Manufacturer
Arkema
Browse all indexed grades