HDPE double-wall corrugated pipe is made of high-density polyethylene by extrusion molding, showing a double-layer structure with smooth inner wall and corrugated outer wall. Its core performance is measured by ring stiffness, commonly SN4, SN8 grade, can withstand external pressure of 4000N/m², 8000N/m², suitable for buried depth of 2-5 meters of drainage, sewage scenarios.<br />Welcome to contact us:<br />Whatsapp: +852 67433414<br />Email:samwang601@gmail.com<br />Web: https://zjxcwm.com/<br /><br />#HDPE #PE #PE100 #PIPE #HDPEPIPE
