| About |
|---|
| Techsil TIM11123 (GB) Grey is a 200 micron, self-gapping, non-corrosive, 1-part, room temperature vulcanising (RTV) silicone rubber. It is one of a new family of products called acetone cure sealants. These products are cured rapidly in contact with atmospheric moisture to a tough rubber that exhibits an excellent thermal conductive property of ~2.3 W/m K. TIM11123 (GB) does not corrode copper or its alloys and exhibits excellent primerless adhesion to many substrates when fully cured. It has been designed to be flowable and contains glass beads to control bond line thickness. Key Features Non-corrosive Excellent adhesion Good spreading and tooling properties Low linear shrinkage Fast skinning Cure through 2 to 3mm in <24 hours Adhesion to most substrates improves with age until most are cohesive 200 micron self-gapping&& |
| Product Description | |
|---|---|
| Generic | 硅橡胶,RTV-1 |
| Material Status | Commercial: Active |
| Features | Good flexibility,Low contractility,Non-corrosiveness,Good bond,Thermal conductivity,Room temperature cure,Fast Cure |
| Availabilitys | Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 2.11 | g/cm³ | BS 903 |
| Shrinkage rate | |||
| MD | 0.50 | % | |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear coefficient of thermal expansion | |||
| MD | 1.6E-4 | 1/℃ | |
| Thermal conductivity coefficient | 2.3 | W/m/K | |
| Operating temperature | -50 to 220 | ℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | > 1.0E+14 | ohms·cm | ASTM D257 |
| Dielectric strength | > 20 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 1 MHz | 4.90 | ASTM D150 | |
| Dissipation factor | |||
| 1 MHz | 9.0E-4 | ASTM D150 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Volumetric Expansion | 4.9E-4 | cm/cm/℃ |
| Uncured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| viscosity | |||
| Brookfield RVT | 350 | Pa·s | |
| Curing time | |||
| 23℃ | < 8.0 | hr | |
| Tack Free Time（23℃，65% RH） | 4.0 | min |
| Cured Properties | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s A | 67 | ASTM D2240 | |
| tensile strength | 3.90 | MPa | BS 903 |
| Tensile strain | |||
| fracture | 100 | % | BS 903 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. AFS 1540B |
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