| About |
|---|
| DAI-EL® G-558 DAI-EL® G-558 is a bisphenol cure incorporated terpolymer designed for extrusion applications requiring moderate fuel resistance.&&DAI-EL® G-558 DAI-EL G-558 is a fluoroelastomer comprising terpolymer of vinylidenefluoride/tetrafluoroethylene/hexafluoropropylene, contains a curing agent (bisphenol AF) and cure accelerator. This material does not contain processing aid but provides high extruding properties by optimizing the molecular weight distribution.&& |
| Product Description | |
|---|---|
| Supplier | Daikin Fluorochemicals |
| Generic | 氟橡胶 |
| Material Status | Commercial: Active |
| Features | Terpolymer |
| Availabilitys | North America,Asia Pacific |
| Process Methods | Extrusion |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.89 | g/cm³ | |
| Mooney viscosity | |||
| ML 1+10，121℃ | 34 | MU | |
| Fluorine content | 69 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shore A, 25 ℃ | 68 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield, 25 ℃ | 12.5 | MPa | |
| 100% strain, 25 ℃ | 2.70 | MPa | |
| Tensile strain | |||
| Fracture, 25 ℃ | 300 | % | |
| tear strength | |||
| 25℃ | 20.5 | kN/m | |
| Compression deformation | |||
| 25℃，70 hr | 26 | % | |
| 100℃，70 hr | 16 | % | |
| 175℃，70 hr | 20 | % | |
| 200℃，70 hr | 28 | % |
| Aging performance | Nominal value | Unit | Test method |
|---|---|---|---|
| The rate of change in tensile strength in air | |||
| 230℃，70 hr | 2.0 | % | |
| The rate of change in ultimate elongation in air | |||
| 230℃，70 hr | 1.0 | % | |
| The rate of change in hardness of a hardness tester in the air | |||
| Shore A, 230 ℃, 70 hr | 0.0 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Embrittlement temperature | -26.0 | ℃ |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| curing temperature | 160 | ℃ | |
| Curing time | |||
| Curelastmeter | 9.5 | min | |
| Gehman Torsion Test | |||
| T10 | -14 | ℃ | |
| T2 | -4 | ℃ | |
| TR Test | |||
| TR10 | -14 | ℃ | |
| TR70 | -8 | ℃ |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 23°C |
| 3. 25% compression |
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