| About |
|---|
| TECHSIL IS803 is a ready to use, one part room temperature vulcanising (RTV) elastomer, which cures on exposure to moist air to give a permanently elastic rubber. TECHSIL IS803 has excellent temperature resistance in its cured state. It is recommended for industrial applications where a high modulus sealant with good adhesive properties is required. Key Features Good Electrical Insulation. Resistance to ageing, weathering, ozone and corona. Resistance to oxidation and many oils, chemicals and solvents. Excellent bonding to a wide range of substrates. Flexibility from -60°C to +300°C.&& |
| Product Description | |
|---|---|
| Generic | 硅橡胶,RTV-1 |
| Material Status | Commercial: Active |
| Features | Weather resistance is good,No viscosity,Thixotropic,Good bond,Inoxidizability,Grease resistance,Ozone resistance,Solvent resistance,Room temperature cure,Insulation,Agglomerability |
| Availabilitys | Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.07 | g/cm³ | BS 903 |
| Shrinkage rate | |||
| MD | < 0.80 | % | |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| IRHD hardness | 38 | BS 903 |
| film | Nominal value | Unit | Test method |
|---|---|---|---|
| peel strength | 5.3 | kN/m |
| elastic body | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| yield | 2.30 | MPa | BS 903 |
| 100% strain | 0.940 | MPa | BS 903 |
| Tensile strain | |||
| fracture | 290 | % | BS 903 |
| tear strength | 5.50 | kN/m | BS 903 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Surface resistivity | 3.6E+15 | ohms | ASTM D257 |
| Volume resistivity | 1.0E+16 | ohms·cm | ASTM D257 |
| Dielectric strength | 18 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 1 MHz | 3.00 | ASTM D150 | |
| Dissipation factor | |||
| 1 MHz | 2.5E-3 | ASTM D150 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Curing time | |||
| 23℃，3.00 mm | 7.0 | hr | |
| Extrusion rate | 270 | g/min | |
| Young’s Modulus | 0.700 | MPa |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Linear coefficient of thermal expansion | |||
| MD | 3.1E-4 | 1/℃ | |
| TD | 9.4E-4 | 1/℃ | |
| Thermal conductivity coefficient | 0.20 | W/m/K | |
| Operating temperature | -60 to 300 | ℃ | |
| Tack Free Time（23℃） | 4.0 | min |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. AFS 1540B |
| 3. at 100% Strain |
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