Aiyuan HDPE‑EVOH double‑wall composite pipe is a specialized thermoplastic piping solution developed for underground fuel transmission at gas stations. It adopts multi‑layer co‑extrusion structure with HDPE as inner and outer structural layers and EVOH as the core barrier layer, designed for underground burial applications including fuel supply pipelines, oil‑gas recovery pipelines and tank connection pipelines. […]

HDPE/EVOH composite fuel pipeline equipped with imported PE electrofusion fittings constitutes a complete underground fuel transport system tailored for gas station projects. Manufactured by multi‑layer co‑extrusion technology, the composite pipe combines high‑strength HDPE structural layers, adhesive tie layers and high‑barrier EVOH functional layers. The EVOH barrier layer provides excellent resistance to hydrocarbon permeation, effectively restraining

HDPE/EVOH composite fuel pipeline equipped with imported PE electrofusion fittings is a complete underground fuel conveyance system specially developed for gas station infrastructure projects. The multi‑layer composite pipe integrates high‑strength HDPE structural layers, adhesive tie‑resin layers and high‑barrier EVOH layers through co‑extrusion technology, delivering outstanding hydrocarbon permeation resistance against gasoline, diesel and ethanol‑blended fuels. It

Aiyuan HDPE‑EVOH double‑wall composite pipe adopts advanced multi‑layer co‑extrusion forming technology, specially developed for underground fuel transmission systems of gas stations. This piping solution integrates structural HDPE layers, high‑performance EVOH barrier layers and adhesive tie layers into one integral structure, solving the long‑standing pain points of fuel permeation, soil pollution and pipeline corrosion for traditional