CT-S2081 is a semi-flowing silicone sealant. After curing, it exhibits excellent adhesion and sealing performance on most plastics, glass, ceramics, and metals.
Once cured, this product offers outstanding physical and mechanical properties, excellent resistance to UV radiation and ozone, as well as good electrical insulation performance.
It can be used for conformal coating protection of electronic components on printed circuit boards, bonding, positioning, and reinforcement, moisture-proof sealing, waterproof sealing of various instruments, and shallow potting of micro electronic components and modules.
Technical Parameters
| Item | Unit | Parameters | Test Method |
| CT-S2081W | CT-S2081B |
| Before Curing | Appearance | / | White | Black | Visual |
| Viscosity | mPa.s | Paste | Paste
| GB/T 10247 |
| Density | g/cm3 | 1.2±0.1 | 1.2±0.1 | GB/T 13354 |
Curing Condition(25±2℃, 55±5%RH)
| Surface drying time | Min | ≤30 | ≤30 | / |
| Complete curing time | H | ≥24 | ≥24 | / |
After Curing
| Tensile Strength | Mpa | ≥1.0 | ≥1.0 | GB/T 528 |
| Elongation at break | % | ≥150 | ≥150 | GB/T 528 |
| Hardness | Shore A | 30-40 | 30-40 | GB/T 531.1 |
Lap Shear Strength | Mpa | ≥0.8 | ≥0.8 | GB/T 7124 |
| Operating Temperature | ℃ | -50℃-200℃ | -50℃-200℃ | / |
| Volume Resistivity | Ω.cm | ≥1.0×1014 | ≥1.0×1014 | GB/T 1410 |
| Dielectric constant (@60Hz) | / | ≤3.0 | ≤3.0 | GB/T 1409 |
| Dielectric constant | KV/mm | ≥15 | ≥15 | GB/T 1695 |
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