Water Pipe Products PE 100 Airpoly Broadpipe uses ISO9080 certified high density polyethelene material. This material has a long-term hydrostatic pressure strength with the highest level in the world. PE 100 withstands will pressure of 10MPa or even more for a period of more than 50 years with a temperature of 20C without making the pipe burst as evidenced by going through hydrostatic pressure over a long period of time