摘要:
A cable protective tube for storing a cable and filling mortar therein, comprising a protective tube 1 having smooth inner and outer surfaces formed of iomonomer resin with excellent transparency and a spiral or net-like reinforcement material 2 for reinforcing the protective tube, wherein the reinforcement material 2 may be buried in the protective tube 1, and the protective tube 1 may be a spiral corrugated pipe but a smooth tube, whereby a high transparency can be provided to the protection tube, the filled state of mortar therein can be visually observed from the outside, and a high pressure resistance can be provided to the protective tube.