Underground coal mine polyethylene piping is a high-performance pipeline material for coal mines that is anti-static, flame-retardant, shock-resistant, corrosion-resistant, wear-resistant, non-scaling, and aging-resistant. It is used for gas extraction, positive pressure ventilation, negative pressure ventilation, water supply and drainage, and shotcrete in coal mine underground. The product must comply with the coal industry standard MT558.1-2005. The outer wall of the polyethylene pipeline for underground coal mines is smooth and even, free of bubbles and cracks, with uniform color.