Insulating water-blocking tape
Specializing in the production and sales of OPGW, ADSS cable installation and installation fittings, pre-twisted wire fittings; optical cable materials and communication accessories such as water blocking tape, water blocking yarn, winding yarn, tearing rope, filling rope, glass yarn, etc.
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Insulating water-blocking tape
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The main body of the water blocking belt for optical cable is made of polyester fiber non-woven fabric and high water absorption material, which has the function of water absorption and expansion. Widely used in optical cable products, used to reduce the penetration of water and moisture in the optical cable, improve the working life of the optical cable.
Mechanical properties of Physical Property of ZD and ZDF Tape insulation and coated water-blocking tapes No. Property performance Unit units Value值 1 Tensile strength tensile strength N/cm ≥35 2 Elongation at break Elongation at break % ≥ 12 3 Long Term(90 ℃,24H)Swell Height Long Term Stability mm ≮initial value 4 Short Term(230 ℃,20S)Swell Height Short Term Stability mm ≮initial value 5 Water Content moisture content % ≤ 9 Item Description品名 Specification of Non-Conductive Water Blocking Tape 绝缘阻水带 Specification of PET Laminated Water Blocking Tape 覆膜阻水带 Type Specifications Unit units ZD-20 ZD-25 ZD-30 ZDF-25 ZDF-30 Thickness thickness mm 0.20 0.25 0.30 0.25 0.30 Weight Single Weight g/㎡ 80±8 90±9 100±10 100±10 120±10 Swelling Speed inflation rate mm/1st min 7 8 10 7 10 Swelling Height Expansion Height mm 9 12 14 12 14
Specializing in the production and sales of OPGW, ADSS cable installation and installation fittings, pre-twisted wire fittings; optical cable materials and communication accessories such as water blocking tape, water blocking yarn, winding yarn, tearing rope, filling rope, glass yarn, etc.
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