Water Blocking Tape

Water Blocking Tape

Water blocking tape typically used in power, fibre and copper telecom cable to prevent longitudinal water penetration. ... Semi-conductive water blocking tape typically used under the metallic shield of power cables, where extra bedding performance is required.

Water blocking tapes are available in non-conductive, semi-conductive and PET laminated versions to suite diverse cable application.

Product Specifications

SPhysical Property of ZD ZDF Type
No.PropertyUnitValue
1Tensile StrengthN/cm≥35
2Elongation at break%≥12
3Long Term(90oC, 24H) Swell HeightmmNot Less Than Initial Value
4Short Term(230oC, 20S) Swell HeightmmNot Less Than Initial Value
5Water Content%≤9

Product Specifications (Non-Conductive Water Blocking Tape)

TypeUnitZD-20ZD-25ZD-30
Thicknessmm0.200.2500.30
Weightg/m280 ± 890 ± 9100 ± 10
Swelling Speedmm/1st min7810
Swelling Heightmm91214

Product Specifications (PET Laminated Water Blocking Tape)

TypeUnitZDF-25ZDF-30
Thicknessmm0.2500.30
Weightg/m2100 ± 10120 ± 10
Swelling Speedmm/1st min710
Swelling Heightmm1214

Product Specifications (Semi-Conductive Water Blocking Tape)

TypeUnitBZD-30BZD-50
Thicknessmm0.3000.50
Weightg/m2110160
Swelling Speedmm/1st min812
Swelling Heightmm1216

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