Süper emici polimer (SAP) is a critical material used for water-blocking purposes in cables, offering rapid absorption capabilities in case of cable outer layer damage.
Advantages of Superabsorbent Polymer for Water-Blocking Yarn/Tape:
- High Absorption Speed: SAP quickly absorbs permeated water, preventing potential damage to cable components.
- Neutral Properties: When mixed with ointment, SAP maintains a neutral composition, safeguarding metal components within the cable.
Specifications:
| Item | Indexes | Sonuç |
| Görünüm | White powder or granular | White powder or granular |
| Particle size(μm) | 212-150μm 28.85% | |
| 150-120μm 21.27% | ||
| 120-106μm 26.23% | ||
| 106-80μm 21.48% | ||
| ≤80μm 5.17% | ||
| Water-keeping ratio(ml/g) | ≥320 | 420 |
| Ph value | 6.5-7.5 | 7 |
| Inflation altitude(mm/min) (20℃ pure water) | 20mm/1 min | |
| 22mm/2 min | ||
| 24mm/3 min | ||
| Residual Monomer(ppm) | ≤400 | 100 |
| Volume density (g/cm3) | 0.6-0.7 | 0.69 |
These specifications demonstrate SAP’s effectiveness and reliability in maintaining cable integrity by swiftly absorbing water and maintaining a stable, neutral composition.
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