| About |
|---|
| Electrical insulating rubber This product has good processability, good electrical insulativity, electrical erosion resistance, hydrophobicity and flame retardance. Its tracking resistance has reached the class 1A4.5. Molding and injection molding type can both meet the process requirements of customers. It is applicable to manufacturing of various composite insulators, surger arresters, insulators and high- & low-voltage electrical fittings for electrical lines of railways and urban light rails.&& |
| Product Description | |
|---|---|
| Supplier | DONGJUE |
| Generic | 硅酮 |
| Material Status | Commercial: Active |
| Features | Low or no water absorption,Flame Characteristics,Insulation,Electric mark |
| Availabilitys | Asia Pacific |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.45 to 1.51 | g/cm³ | ASTM D1505 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 56 to 60 | ASTM D2240 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| Tensile permanent deformation | < 2 | % | ASTM D412 |
| tensile strength | |||
| yield | > 4.00 | MPa | ASTM D412 |
| Tensile strain | |||
| fracture | > 240 | % | ASTM D412 |
| tear strength | > 12.0 | kN/m | ASTM D624 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | > 1.0E+14 | ohms·cm | ASTM D257 |
| Dielectric strength | > 17 | kV/mm | ASTM D149 |
| Dielectric constant | 3.00 to 4.00 | ASTM D150 | |
| Dissipation factor | < 0.070 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | FV-0 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Erosion resistance | |||
| Erosion depth | < 2.50 | mm | |
| Electric resistance trace | TMA4.5 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die B |
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