V2 UL94, NF C 93 641, DIN 40.621, VSM 11930. Insulating Sleeves in PLIO®-SUPER PVC. PLIO®-SUPER PVC insulating sleeves are used for the insulation and mechanical protection of electrical cables. They are also used for transporting fluids at low pressure and ambient temperature. Features and Benefits. ; Ozone, ageing and acid resistance ; Do not spread flames in the event of a fire ; Available in various colours and diameter