Conductors Constructed using 100% high-purity electrolytic copper & insulated with inhouse formulated fire-resistant PVC compound anchor export range includes stranded fr, Solid fr, Flexible fr & mcc under british standards. Get most competitive rate for why fr wires?flame retardant wires and cables are meant to curb the spread of fire and stop transmission of electricity during a fire hazard. Fire resistant anchor wires & cables are layered in a self developed fire retardant pvc compound that halts the spread of fire even in extreme temperature cases. Unique features of anchor exports range 100% electrolytic grade copperfr grade pvc insulation100% conductivity30% oxygen index loi confimed to british standards