Water Blocking Tape
Water blocking tape is high technical communicate product which is swelling when absorbing. Water blocking tape is used in electronic cables and communication cables. It could decrease moisture permeating and improve cables’ working ages.
Technical Indicator：
Properties |
Unit |
Water blocking tape |
|||||
|
Thickness |
mm |
0.15±0.02 |
0.20±0.02 |
0.30±0.02 |
0.30±0.03 |
0.40±0.03 |
0.50±0.04 |
|
Unit weight |
g/m² |
70±7 |
80±8 |
90±9 |
100±10 |
120±10 |
140±10 |
|
Tensile strength |
N/cm |
≥25 |
≥40 |
≥40 |
≥40 |
≥40 |
≥40 |
Elongation at break |
% |
≥12 |
≥12 |
≥12 |
≥12 |
≥12 |
≥12 |
Expansion speed |
mm/1st min |
≥6 |
≥10 |
≥10 |
≥12 |
≥14 |
≥16 |
Expansion height |
mm |
≥8 |
≥12 |
≥14 |
≥16 |
≥18 |
≥20 |
Moment stability |
℃ |
230 |
230 |
230 |
230 |
230 |
230 |
Long time stability |
℃ |
90 |
90 |
90 |
90 |
90 |
90 |
|
Moisture content |
% |
≤9 |
≤9 |
≤9 |
≤9 |
≤9 |
≤9 |
location：