Water Blocking Tape/Water Swellable Tape
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S&A presents water blocking tape, also known as water swellable tape, designed to provide superior water blocking performance for power cables, communication cables, and other applications. Our tape is manufactured using polyester non-woven fabric, adhesive, and high-speed expanding polymer water-absorbing resin.
Features
- Excellent Water Blocking: The tape's exceptional water blocking performance comes from the highly absorbent resin, which quickly absorbs and expands upon contact with water.
- Cable Longevity: By preventing the ingress of water and moisture, our water blocking tape enhances the operational lifespan of cables.
- Corrosion Resistance: It effectively minimizes water and moisture-related corrosion in cables.
Specifications
| Grade (μm) | Basis Weight (g/m²) | Tensile Strength (N/cm) | Elongation (%) | Expansion Speed (mm/1st min) | Expansion Height (mm) | Short-Term Stability (℃) | Long-Term Stability (℃) | Moisture Content (%) |
| 200±20 | 80±10 | 20↑ | 12↑ | 6 | 10↑ | 230 | 90 | 9↓ |
| 250±20 | 90±10 | 30↑ | 12↑ | 7↑ | 12↑ | 230 | 90 | 9↓ |
| 300±30 | 100±10 | 40↑ | 12↑ | 8↑ | 14↑ | 230 | 90 | 9↓ |
| 400±40 | 120±10 | 40↑ | 12↑ | 10↑ | 15↑ | 230 | 90 | 9↓ |
| 500±50 | 140±10 | 40↑ | 12↑ | 12↑ | 16↑ | 230 | 90 | 9↓ |
| Customized specifications are available upon request. | ||||||||
Note: The tape is available in white. The minimum width for slitting is 5mm, with inner core sizes of 52mm or 76mm. The maximum outer diameter for winding is 800mm, and packaging is done with cartons.
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