| About |
|---|
| Techsil RTV27909 is a kit matched easily pourable, solvent free, clear and colourless two-component silicone gel. After mixing the A and the B part at a mix ratio of 1: 1 the material cures very fast at room temperature by an addition reaction to a tacky silicone gel with excellent vibration dampening properties. Properties: Convenient 1:1 mixing by weight Low viscosity, free of solvents Fast room temperature cure Soft, tacky gel, sticking to many substrates Mechanical shock and vibration damping properties Useful temperature range -50°C to 150°C Applications: Techsil RTV27909 is specially developed for electronic potting applications such as hybrid IC insulation, potting of power modules and sensors when fast cure at room temperature is required.&& |
| Product Description | |
|---|---|
| Generic | 硅橡胶,RTV-2 |
| Material Status | Commercial: Active |
| Features | Low Viscosity,noise reduction,Soft,Room temperature cure,Fast Cure |
| Availabilitys | Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 0.980 | g/cm³ | |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear coefficient of thermal expansion | |||
| MD | 3.0E-4 | 1/℃ | |
| Thermal conductivity coefficient | 0.17 | W/m/K | |
| Operating temperature | -50 to 150 | ℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Compared to the leakage tracing index | > 600 | V |
| optical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Refractive index | 1.410 |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| colour | |||
| — | Clear/Transparent | ||
| — | Clear/Transparent | ||
| Weight Mix Ratio (PBW) | |||
| Part A | 1.0 | ||
| Part B | 1.0 | ||
| Density | |||
| — | 0.980 | g/cm³ | |
| — | 0.980 | g/cm³ | |
| viscosity | |||
| — | 1.0 | Pa·s | |
| — | 1.0 | Pa·s | |
| — | 1.0 | Pa·s | |
| storage stability | |||
| 23℃ | 30 | min |
| Cured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Electrical strength | 20 | kV/mm | |
| Relative permittivity | |||
| 60 Hz | 2.80 | ||
| Volume resistivity | 2.0E+15 | ohms·cm | |
| Dissipation factor | |||
| 60 Hz | 1.0E-3 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Part B |
| 3. Part A |
| 4. Mixed |
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