▎ 摘　　要

NOVELTY - Multilayer coextrusion electromagnetic shielding fluoroplastic electric insulating corrugated pipe comprises insulating layer and electromagnetic shielding layer. The wall thickness of insulating layer is 0.1-2 mm. The wall thickness of electromagnetic shielding layer is 0.1-3 mm. USE - Multilayer coextrusion electromagnetic shielding fluoroplastic electric insulating corrugated pipe comprises insulating layer and electromagnetic shielding layer. The wall thickness of insulating layer is 0.1-2 mm. The wall thickness of electromagnetic shielding layer is 0.1-3 mm. ADVANTAGE - The pipe has electromagnetic shielding efficiency of different frequency bands of 14 khz to 30 MHz, 30MHz to 1GHz and 1 GHz to 18GHz, functions of single-layer electrical insulation and double-layer electrical insulation, low temperature resistance, high temperature resistance, aging resistance, long life, salt fog resistance, corrosion resistance, flame retardancy and ring flexibility. DESCRIPTION OF DRAWING(S) - The drawing shows a sectional view of the multi-layer co-extrusion electromagnetic shielding fluorine plastic electric insulating corrugated pipe prepared. Inner insulating layer (1) Electromagnetic shielding layer (2) Outer insulating layer (3)