FTP Aluminium foil yakadzivirirwa netambo yemhangura yekudonhedza waya inogona kuita kuti chiratidzo uye kukanganiswa kwezuva kusununguke uye otomatiki dhiraivha.
Iyo PE, PVC uye Polyolefin insulation zvinhu zvinogona kuve imwe nzira.
PVC kana LSZH sheath zvese zviripo.