What is the content of the filling rope in the RVV cable

Filling ropes are generally: polypropylene mesh belt (most commonly used), low-smoke halogen-free flame-retardant rope, fiberglass rope, hemp ropeFireplace Sealing Tape company
RVV wire and cable are generally filled with cotton, PE rope or PVC strip. The role of filling: Because the cross-sectional area of most

conductors is circular, it must be filled with filling material to form a tight and solid support to avoid the phenomenon of flattening of the

wire when it is twisted. The role of the outer sheath: 1. Protect the inner sheath of the cable from mechanical damage and chemical corrosion; 2.

Enhance the mechanical strength of the cable.