Wuxi Zhongxin Special Steel Co.，Ltd
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Without coating for the steel strip surface corrosion resistance of baseband particularly poor, condensation or immersed in humid atmosphere and surface conditions, corrosion is easy to happen, in acidic or alkaline environment, easy to form a galvanic cell, rotting Zhong Gang belt at the same time, will also hydrogen evolution, increase the hydrogen loss optical fiber, the composite with poor adhesion between baseband and film, occurrence crack of the longitudinal package take it easy and be affected with damp be affected with damp,The steel base belt is easy to be separated from the sheath, and the performance of moisture-proof and impermeable water is poor.
Technical Indicator:
| No. | Item | Requirement | |
| 1 | Tensile strength Mpa | ≥300 | |
| 2 | Elongation at break ％ | ≥15 | |
| 3 | Stripping strength between steel tape and coating N/cm | ≥6.13 | |
| 4 | Shear strength of thermal zone for EGE | EGE broken or cohere destroyed between film and tape, but no shearing destroyed in thermal zones | |
| 5 | Thermal sealing strength N/cm | ≥17.5 | |
| 6 | Water proof(68 ±1℃,168h)N/cm | ≥6.13 | |
| 7 | The filling compound resistance(68±1℃,168h) | No delamination between steel tape with plastic film | |
| 8 | Corrosion resistance(0.1mol/1,NaOH,480h) | ≥7级 | |
| 9 | Dielectric strength | Single face EGE,1kVd.c.1min | Not breakdown |
| Double face EGE,2kVd.c.1min | Not breakdown | ||
Q: Would you provide samples For free?
A: Yes . with on stock specification We provide samples For Free . Freight charge collect