| About |
|---|
| Kynar® resins are fluorinated thermoplastic homopolymers. Outstanding characteristics: chemical resistance, imperviousness to UV, high barrier properties, high purity, good mechanical and thermo-mechanical properties. Main applications: corrosion protection in the chemical industry, coating (painting, co-extrusion), off shore, wire and cable. Kynar® 720 resin is a standard grade of granules for injection molding. This product is ANSI/NSF Standard 61 certified. A powder form is available as Kynar® 721 resin.&& |
| Product Description | |
|---|---|
| Supplier | Arkema |
| Material Status | Commercial: Active |
| Features | Low molecular weight,Hypocrystalline |
| Availabilitys | Africa & Middle East ,Asia Pacific,North America,Latin America,Europe |
| Process Methods | Extrusion,Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Water Absorption | 0.03 | % | ISO 62 |
| Moisture Absorption | 0.015 | % | ISO 62 |
| Density | 1780 | kg/m³ | ISO 1183 |
| Melt Volume Rate | |||
| 230℃，5kg | 10 | cm³/10min | ISO 1133 |
| Molding shrinkage | |||
| Parallel | 2.0 | % | ISO 294-4 |
| Normal | 2.0 | % | ISO 294-4 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile Modulus | 2200 | MPa | ISO 527 |
| Tensile Strength | |||
| Yield yld | 54 | MPa | ISO 527-2 |
| Tensile Strain | |||
| Yield yld | 8 | % | ISO 527 |
| Broken BRK | >50 | % | ISO 527 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Charpy Unnotch Impact strength | |||
| 23℃ | 208 | kJ/m² | ISO 179/1eU |
| -30℃ | 189 | kJ/m² | ISO 179/1eU |
| Charpy Notched Impact Strength | |||
| 23℃ | 8 | kJ/m² | ISO 179/1eA |
| -30℃ | 5 | kJ/m² | ISO 179/1eA |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Melting temperature | 168 | ℃ | ISO 11357-3 |
| Glass Transition Temperature | -40 | ℃ | ISO 11357-2 |
| Hot deformation temperature HDT | |||
| 1.80 MPa | 110 | ℃ | ISO 75-1/-2 |
| 0.45 MPa | 132 | ℃ | ISO 75-1/-2 |
| Vicat Softening Temperature | 139 | ℃ | ISO 306/B |
| Coeff. of linear thermal expansion | |||
| Parallel | 150 | E-6/K | ISO 11359-2 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame Class Rating | |||
| 1.6 mm | V-0 | calss | IEC 60695-11-10 |
| 0.8 mm | V-0 | calss | IEC 60695-11-10 |
| Oxygen Index | 43 | % | ISO 4589-2 |
| ELECTRICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Relative permittivity | |||
| 100Hz | 9 | IEC 60250 | |
| 1MHz | 7 | IEC 60250 | |
| Dissipation Factor | |||
| 100Hz | 320 | E-4 | IEC 60250 |
| 1MHz | 2140 | E-4 | IEC 60250 |
| Volume Resistance | 2E12 | ohm·m | IEC 60093 |
| Surface Resistivity | >1E15 | ohm | IEC 60093 |
| Electric strength | 21 | kV/mm | IEC 60243-1 |
| Compared Tracking Index | 600 | IEC 60112 |
| Process Conditions | |||
|---|---|---|---|
| Injection Molding | Nominal value | Unit | Test method |
| Melt Temperature | 210 | ℃ | |
| Mold Temperature | 90 | ℃ | |
| Injection speed | 10 | mm/s | |
| Maintain pressure at hold | 13 | MPa | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
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