Semi-conductive Water Blocking Tape
Application : Be used for water-blocking between components of power cable. It is no-corrosive. For Single covering layer, it has better water blocking performance.
Properties | Double-layer | Single-layer | ||||
HTZSD30 | HTZSD40 | HTZSD50 | HTDZSD30 | HTDZSD40 | HTDZSD50 | |
Thickness (mm) | 0.30±0.03 | 0.40±0.03 | 0.50±0.03 | 0.30±0.03 | 0.40±0.03 | 0.50±0.03 |
Weight (g/m2) | 130±10 | 150±10 | 170±10 | 120±10 | 140±10 | 160±10 |
Tensile Strength (N/cm) | ≥30 | ≥30 | ≥40 | ≥30 | ≥30 | ≥40 |
Elongation (%) | ≥12 | ≥12 | ≥12 | ≥12 | ≥12 | ≥12 |
Surface Resistance (Ω) | ≤1000 | ≤1000 | ≤1000 | ≤1000 | ≤1000 | ≤1000 |
Volume Resistance (Ω.cm) | ≤5X104 | ≤5X104 | ≤5X104 | ≤5X104 | ≤5X104 | ≤5X104 |
Swelling Speed (mm/min) | ≥8 | ≥8 | ≥10 | ≥6 | ≥8 | ≥10 |
Swelling Height (mm/min) | ≥10 | ≥12 | ≥14 | ≥8 | ≥10 | ≥14 |
Short Term Stability (℃) | 230 | 230 | 230 | 230 | 230 | 230 |
Long Term Stability (℃) | 90 | 90 | 90 | 90 | 90 | 90 |
Moisture Content (%) | ≤9 | ≤9 | ≤9 | ≤9 | ≤9 | ≤9 |
Features: