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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.
| Grade (µm) | Basis Weight (g/m²) | Tensile Strength (N/cm) | Elongation (%) | Expansion Speed (mm/1st min) | Expansion Height (mm) | Short-Term Stability (°C) | Long-Term Stability (°C) | 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.
Discover the advanced JLK 630 frame rigid stranding machine designed for large cross-section copper and aluminum conductors. High-speed, PLC-controlled, and highly efficient. Contact us for complete cable production solutions today.
Efficient Stranding for Long and Large Cross-Section Copper and Aluminum Strands
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Engineered for maximum versatility, allowing for single,double,or triple-layer co-extrusion.
The One-step silicohydride crosslink insulation extrusion line is designed for the insulation extrusion of cooper and aluminum conductors.
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