... .412. Conductive plastic layer: common PTC, fire-retardant PTC, fluorin-contained PTC3. Insulation layer: modified polyolefin, fire-retardant polyolefin, fluorin-contained polyolefin, fluorin material4 ... copper braid, covering density: 80%5. Restrictive coating: modified polyolefin, fire-retardant polyolefin, fluorin-contained polyolefin, fluorin materialSpecifications:1. Standard color: brown2 ...