... -proof: as PVC is no conducting, so our cable trunking & conduit have no the risk of electrification2. Flame retardance ... wont be gnawed4. Damp proof, alkalescency resistant: UPVC cable trunking & conduit wont be rusted, and are acid proof, alkalescency ... production technique, which makes products are aging-assistantGaoge PVC TRUNKING SERIES ModelSize(mmxmm)Thickness(mm)Tolerance(mm)FOB SHUNDE ...