pvc pipe;pvc electrical conduit,PVC conduit PVC TRUNKING, PVC wring duct, pvc cable trunking Material:Made from hard PVC. insulative ... -proof: as PVC is no conducting, so our cable trunking & conduit have no the risk of electrification2. Flame retardance: our ... wont be gnawed4. Damp proof, alkalescency resistant: UPVC cable trunking & conduit wont be rusted, and are acid proof, alkalescency resistant5 ...