High purity combination of a perfluoropolyether backbone with a terminal silicone crosslinking group. Possesses electrical semiconductivity. Used in adhesives and sealants which will be exposed to harsh environmental conditions. Provides flexibility, heat resistance, good electrical insulation properties and low dielectric constant. Offers self priming adhesion, resistance to solvents, fuels, oils and chemicals.
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Sifel® 640 properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Hardness, Shore A | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Lapshear strengh aluminium/aluminium | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Elongation | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Volume Resistivity | 0.0 Visible After Login | Visible After Login | Visible After Login |