Explore PolyRods FRP rods, GRP rods, and central strength members for fiber optic cable application PolyRods fiber optic cable raw materials – GRP rods, water swellable FRP, and flat FRP/GRP solutions

Water Blocking Tape (WBT)

Water Blocking Tape

Water blocking tapes rapidly absorb liquid at the point of insulation failure & quickly swell to block any further ingress.

  • Excellent gel strength.
  • Excellent swell height.
  • Stable over long period.
polytape water blocking tape
Polytape Specification Table
Basic Properties Semi Conductive WB Tape Non Conductive WB Tape
Thickness 0.20 mm to 0.40 mm 0.15 mm to 0.40 mm
Tensile > 25 N/cm 10 N/cm to 30 N/cm
Swelling Height > 20 mm, Excellent > 15 mm, Excellent
Gel Strength Excellent Excellent
GSM Range 60 to 120 g/m2 60 to 90 g/m2
No loose Carbon presence on the conductor offers perfect surface and volume resistance Stable over a long period, easy to process and ideal for high-speed line manufacturing
Image Semi conducting non woven tape Non conductive tape pad