| About |
|---|
| Kynar Flex® resins are fluorinated thermoplastic copolymers. 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 Flex® 2821 resin is the powder form of the Kynar Flex® 2820-20 resin. To be used as an additive in LLDPE to improve the extrusion rate.&& |
| Product Description | |
|---|---|
| Supplier | Arkema |
| Generic | PVDF |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Good surface appearance,Hypocrystalline |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| THERMAL | Nominal value | Unit | Test method |
| Melting peak temperature | 140 to 145 | ℃ | ASTM D3418 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | |||
| 20 ℃ | 2.0E+14 | ohms·cm | ASTM D257 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore D, 23 ℃ | 65 to 70 | ASTM D2240 | |
| tensile strength | ASTM D638 | ||
| Yield, 23 ℃ | 20.0 to 34.5 | MPa | ASTM D638 |
| Fracture, 23 ℃ | 17.2 to 34.5 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 100 to 300 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 483 to 758 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 20.7 to 34.5 | MPa | ASTM D790 |
| compressive strength | |||
| 23℃ | 31.0 to 41.4 | MPa | ASTM D695 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.77 to 1.80 | g/cm³ | ASTM D792 |
| Apparent viscosity of melt | |||
| 232℃，100 sec^-1 | 1200 to 2000 | Pa·s | ASTM D3835 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 10°C/min |
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