No. | Item | Requirement | |
1 | Width & thickness | 12mm above & 0.105mm above | |
2 | Coating polymer thickness | 0.005mm each side | |
3 | Tensile strength Mpa | ≥300 | |
4 | Elongation at break % | ≥15 | |
5 | Stripping strength between steel tape and coating N/cm | ≥6.13 | |
6 | Shear strength of thermal zone for EGE | EGE broken or cohere destroyed between film and tape, but no shearing destroyed in thermal zones | |
7 | Thermal sealing strength N/cm | ≥17.5 | |
8 | Water proof(68 ±1℃,168h)N/cm | ≥6.13 | |
9 | The filling compound resistance(68±1℃,168h) | No delamination between steel tape with plastic film | |
10 | Corrosion resistance(0.1mol/1,NaOH,480h) | ≥7 | |
11 | Dielectric strength | Single face EGE,1kVd.c.1min | Not breakdown |
Double face EGE,2kVd.c.1min | Not breakdown |