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 |
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location：