... -retardant 3, anti-wear 4, light weight, easy to install 5, corrosion resistance DescriptionPVC Cable Channel Product Introduction: ... ). Toughness: If you bend ,can not be easier to break2).Hardness: Under pressure ability, high impact resistance3).Fire ... voltage , assuring a safe system6).Installation: easy to open and close ,convenient push-pull,installed with solvent cementing and threading ( ...