| About |
|---|
| Silopren LSR 2620 is a two-component liquid silicone rubber for injection moulding processes.Silopren LSR 2620 shows in comparison to Silopren LSR 2020 a lower viscosity, improved tear resistance and a higher reactivity. Therefore, it is also possible to reduce the vulcanisation temperature while maintaining a standard crosslinking rate. The increased reactivity does not affect the properties of the vulcanisate. Key Features and Benefits Vulcanisates consisting of Silopren LSR 2620 are distinguished by the following properties: high reactivity, lower viscosity, shorter cycle time excellent thermal stability high stability and flexibility at low temperatures good rubber-like properties, high tear resistance high stability to ozone and ultraviolet light outstanding resistance to ageing, excellent dielectric behaviour over a wide range of temperatures, not readily combustible, does not melt or drip easy pigmentable with the LSR Colour Pastes Potential Applications Because of the outstanding properties Silopren LSR 2620 is particularly suitable for the following elastomeric articles: stoppers, vibration dampers, shoe inserts s.o.&& |
| Product Description | |
|---|---|
| Supplier | Momentive |
| Generic | 硅橡胶,LSR |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,Low Viscosity,noise reduction,Quick molding cycle,Good stripping performance,Low temperature toughness,Good tear strength,Good stability,Ozone resistance,Heat Stabilized,Fast Cure,Good coloring,High reactivity |
| Availabilitys | Africa & Middle East ,North America,Latin America,Asia Pacific,Europe |
| Process Methods | Injection Molding |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.08 | g/cm³ | DIN 53479 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 24 | DIN 53505 |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | 5.00 | MPa | DIN 53504 |
| Tensile strain | |||
| fracture | 600 | % | DIN 53504 |
| tear strength | 20.0 | kN/m | ASTM D624 |
| Compression deformation | |||
| 175℃，22 hr | 20 | % | DIN 53517 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Thermosetting components | |||
| Component A | 按重量计算的混合比: 1.0 | ||
| Component B | 按重量计算的混合比: 1.0 | ||
| Post curing time | |||
| 200℃ | 4.0 | hr |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Vulcanization（175℃） | 10.0 | min |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| colour | |||
| — | Translucent | ||
| — | Translucent | ||
| viscosity | DIN 53018 | ||
| 20℃ | 150 | Pa·s | |
| 20℃ | 150 | Pa·s | |
| storage stability | |||
| 20 ℃ | 4300 | min |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Die B |
| 3. Part B |
| 4. Part A |
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