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| Application: | Construction |
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SS7460, two-component silicone gel. It can be cured at room temperature or quickly cured by heating. The cured product has excellent insulation and weather resistance. After curing, the soft gel has low modulus and good flexibility. It not only retains the low stress relief and self-healing properties of liquid materials, but also provides dimensionally stable elastomer characteristics, which is very suitable for managing the CTE difference between electronic component materials. It could provide stress relief of PCB protection under thermal stress and mechanical stress. The gel has excellent reworkability, which can be easily removed or reworked for a specific component, and it can conveniently repair the integrity of the coating on the damaged part. Gel products can exhibit material performance stability at temperatures as low as -80°C, enabling PCB system components to operate reliably under these extreme temperatures.
Coating/potting protection for power supply and PCB system components
Curing at room temperature, fast curing under heating
Excellent process performanc
Low modulus, excellent stress adaptability, easy to rework
Excellent water resistance, weather resistance and chemical resistance
Properties before curing
| Basic material | Polysiloxane | |
| Color |
Part A | Blue |
| Part B | Colorless and transparent | |
| After Mixing | Blue | |
| Viscosity (mPa·s@23ºC) | Part A | 1000 |
| Part B | 1000 | |
| After Mixing | 1000 | |
| Specific gravity after mixing | 0.97 | |
| Working time(min) | 5 | |
| Gel time(min) | 20 | |
| Recommended curing conditions | 60min@60ºC |
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| 4h@23ºC | ||
| Penetration (150g full cone) (1/10mm) | 236 |
| Breakdown voltage (kV/mm) | 15 |
| Volume resistivity (Ω•cm) | 2.9×1014 |
| Operating temperature (ºC) | -80~210 |
**The test samples are cured at 60°C for 60 minutes, and the test temperature is 23ºC.
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