Cable asphalt adopts high-quality matrix asphalt as raw material. Processed through the modification process, it has a high softening point, high penetration, excellent thermal stability, adhesion, and low-temperature performance. The product has been verified by Zhongtian Marine Cable Technology Co., Ltd. and other enterprises, and has been applied in submarine fiber optic cables.
1. Innovative process: Innovative asphalt modification process, abandoning the traditional oxidized asphalt process, significantly reducing the generation of waste gas;
2. Low carbon durability: The product has excellent low-temperature durability, and the cold bending temperature can reach -15℃;
3. High temperature stability: Excellent high-temperature performance, bond strength, 70 ℃ droop <60cm, adhesion rate of 100% at 0 ℃.
Cold bending temperature: -15°C
70℃ droop: <60cm
Adhesion rate at 0℃: 100%
Submarine cables, submarine fiber optic cables, high voltage land cables
Item | Index | Test Method | |||
No. 1 | No. 2 | No. 3 | |||
Softening point (ring-and-ball method) / ℃ | 85-100 | 80-100 | GB/T 4507 | ||
Penetration (25℃, 5s, 100g) / 0.1mm | ≥35 | ≥50 | GB/T 4509 | ||
Flash point (opening) / ℃ | ≥260 | GB/T 267 or GB/T 3536 | |||
Sag (70℃) / mm | ≤60 | SH/T 0424 | |||
Solubility (trichloroethylene) / % | ≥99.0 | GB/T 11148 | |||
Cold bending (Ф20mm) | 0℃ Qualified | Qualified | — | — | Appendix A |
-10℃ Qualified | — | Qualified | — | ||
-15℃ Qualified | — | — | Qualified | ||
Adhesion rate (0℃) / % | ≥95 | SH/T 0637 | |||
Thermostability (200℃, 24h) | Appendix B | ||||
Softening point increasing range / ℃ | ≤15 | ||||
Penetration ratio / % | ≥80 |