| About |
|---|
| KYNAR® 740 BLACK is a semi-crystalline medium-high molecular weight pelletized polymer of vinylidene fluoride which is pigmented black. It is a versatile engineering plastic with an outstanding balance of physical and chemical properties which qualify it for high performance service in a wide range of applications. It is a thermoplastic fluoropolymer capable of being fabricated in standard processing equipment. The molecular weight and molecular weight distribution have been carefully tailored to supply grades suitable for a variety of processing requirements and end-use applications. KYNAR® 740 BLACK is appropriate for use in most injection molding applications as well as extrusion of pipes and profiles. The black pigment is registered under the code of federal regulations for use in contact with food.&& |
| Product Description | |
|---|---|
| Supplier | Arkema |
| Generic | PVDF |
| Material Status | Commercial: Active |
| Features | Food contact compliance,Hypocrystalline,High molecular weight |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| MECHANICAL | Nominal value | Unit | Test method |
| Shore hardness | |||
| Shore D, 23 ℃ | 76 to 80 | ASTM D2240 | |
| tensile strength | |||
| Fracture, 23 ℃ | 34.5 to 55.2 | MPa | ASTM D638 |
| Yield, 23 ℃ | 44.8 to 55.2 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 20 to 100 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 1380 to 2310 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 58.6 to 75.8 | MPa | ASTM D790 |
| compressive strength | |||
| 23℃ | 68.9 to 103 | MPa | ASTM D695 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Melting peak temperature | 165 to 172 | ℃ | ASTM D3418 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | |||
| 20 ℃ | 2.0E+14 | ohms·cm | ASTM D257 |
| PHYSICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Density | 1.77 to 1.79 | g/cm³ | ASTM D792 |
| Melt Flow Rate | 6.0 to 25 | g/10min | ASTM D1238 |
| Apparent viscosity of melt | |||
| 232℃,100 sec^-1 | 1500 to 2300 | Pa·s | ASTM D3835 |
| Notes |
|---|
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