Core Features

1. Excellent thixotropic property: its viscosity decreases and fluidity improves under shear force during high-speed filling, facilitating filling on production lines. It quickly reverts to a pasty gel at rest. It does not drip at high temperatures or solidify at low temperatures and will not flow out of the cable core, making it suitable for cold filling processes.

2. Reliable longitudinal water blocking and buffer protection: The optical fiber gel fills the gaps in loose tubes/cable cores to physically isolate moisture. When exposed to water, the expandable gel rapidly absorbs water to form a dense colloid that locks in moisture and prevents water from spreading longitudinally along the optical cable. Meanwhile, it provides cushioning and shock absorption, reducing additional optical loss caused by compression and vibration of optical fibers and protecting optical fibers from external mechanical damage.

3. Stability over a wide temperature range: The normal operating range is -40℃ to 80℃. It remains flexible without cracking at low temperatures and exhibits no oil bleeding or phase separation at high temperatures. With strong oxidation resistance, it resists aging and deterioration in long-term underground and pipeline environments.

4. Outstanding chemical compatibility and low hydrogen evolution: It has a low acid value and is chemically inert. It is non-corrosive to optical fiber coatings, PBT loose tubes, FRP and metal armoring. The hydrogen evolution amount is extremely low, which will not cause hydrogen-induced attenuation of optical fibers, and it does not react with other auxiliary materials of optical cables.

5. Insulation and mildew resistance: It features good electrical insulation performance and inhibits mold growth, maintaining long-term stability in humid buried environments.

Materials with other characteristics – please inquire separately.