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Copolymer Coated Aluminum Tape

Product Description

Copolymer coated copper tape applies for medium and high voltage power cables as a shield/moisture barrier as a moisture/ chemical barrier for cable core, it consists of a copper tape coated on single side with a special ethylene copolymer color-coded green. The coating forms a strong moisture-resistant bond to the copper substrate that will not delaminate from contact with the copper. The coatings also form strong polymeric bonds to zero halogen, polyethylene and chlorinated polyethylene jacketing resins during the jacket extrusion process thereby allowing fabrication of “bonded jacket” or laminate sheath, cables. The copper alloy is fully annealed which has high conductivity and easy fabrication characteristics.

Technical Data Sheet

Property Unit Values Test Method
Thickness Cu 0.15/0.20 mm  
EAA 0.05 mm  
Tensile Strength MPa ≥180 ASTM B152
Elongation % ≥20 ASTM B152
Peel strength N/cm ≥5 ASTM B736
Heat Seal strength N/cm ≥17.5 ASTM B736
Corrosion resistance Grade 7  
Filler/ Flood Resistance 68 deg C/168 hrs   No Delamination ASTM B736
Water Resistance 68 deg Cl 168 hrs, Peel Strength68℃ N/cm ≥5 ASTM B736
Dielectric Strength Two-Side, DC 1 Kv   No Break  
conductivity IACS ≥90%


Inner Diameter



Roll core material



2000m without joints

paper/steel/plastic cire


Keep the warehouse clean. Avoid exposure to direct sunlight, pollution and all damage cuased by external forces.


Skilled operators should take or lay the materials gently, avoid scrap and crash problems.


The above mentioned data sheet should, however, only be regarded as a general guide to product properties and not as a guarantee. Some of the properties can be changed as a result of our efforts to improve the quality of our products. All listed test method is just for reference, actual test performed according to modified equipment and conditions.

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