Shanghai Belltronic wire and cable Material Co., Ltd is a professional Insulation water blocking tape manufacturer and exporter in china, that is concerned with the design, development and production of Non-conductive water blocking tape.
Introduction of the Insulation water blocking tape
Insulation water blocking tape, made of Polyester non-woven fabric; Polyacrylate swelling powde, are two kinds, one is Single-Side Non-conductive Laminated Water Blocking Tape , other is Double-side Non-conductive Laminated Water Blocking Tape.
Application of the Insulation water blocking tape
Replacement of flooding compound; Water blocking armoring/Between cable components
Also could design based on customer's special request.
Specification of the Insulation water blocking tape
Typical Properties:
Single-Side Non-conductive Laminated Water Blocking Tape
Property | Unit | Type | Test method | ||
SNC-15 | SNC-20 | SNC-25 | |||
Thickness | mm | 0.15±0.03 | 0.20±0.03 | 0.30±0.03 | ISO 9073-2 |
Mass per unit area | g/m2 | 60±10 | 70±10 | 80±10 | ISO 9073-1 |
T S | N/cm | ≥30 | ≥30 | ≥30 | ISO 9076-3 |
Elongation | % | ≥12 | ≥12 | ≥12 | ISO 9076-3 |
Swelling speed | mm/1'00' | >4 | >6 | >9 | Q/SC 1999 |
Swelling height | mm/3'00' | >6 | >8 | >12 | Q/SC 1999 |
Short term stability | ℃ | 230 | 230 | 230 | Q/SC 1999 |
Long term stability | ℃ | 90 | 90 | 90 | IEC 216 |
Moisture Content | % | ≤8 | ≤8 | ≤8 | ISO 287 |
Double-side Non-conductive Laminated Water Blocking Tape:
Property | Unit | Type | Test method | |||
DNC-20 | DNC-25 | DNC-30 | DNC-50 | |||
Thickness | mm | 0.20 | 0.25 | 0.30 | 0.50 | ISO 9073-2 |
Mass per unit area | g/m2 | 70±10 | 80±10 | 90±10 | 130±10 | ISO 9073-1 |
T S | N/cm | ≥30 | ≥30 | ≥40 | ≥40 | ISO 9076-3 |
Elongation | % | ≥12 | ≥12 | ≥12 | ≥12 | ISO 9076-3 |
Swelling speed | mm/1'00' | >6 | >9 | >12 | >12 | Q/SC 1999 |
Swelling height | mm/3'00' | >9 | >12 | >14 | >16 | Q/SC 1999 |
Short term stability | ℃ | 230 | 230 | 230 | 230 | Q/SC 1999 |
Long term stability | ℃ | 90 | 90 | 90 | 90 | IEC 216 |
Moisture Content | % | ≤8 | ≤8 | ≤8 | ≤8 | ISO 287 |
Shanghai Belltronic is professional Insulation water blocking tape manufacturer, our products are in promotion. If you are distributor of Non-conductive water blocking tape, or Insulation swelling tape, and if you have any questions or requirement of Swelling Tapes Inside Cable, please contact us freely.
