Copper mylar tape is made of a layer copper foil laminated a layer of PET. Copper foil is good signal shield material.PET layer can increase the tensile strength.so their combined structure have big roles in cable industry.Normal spec is CU15+PET23, CU18+PET12,CU18+PET23 .
more information click by below site: https://www.cablematerial.cn/copper-pet-tape/