2. HDPE pipes is now an obsolete product because it is relatively brittle, while PE is more flexible and has a relatively high pressure resistance. Now it is used for water supply and drainage.
3. The PE pipe made of raw materials is white and non-toxic. It can be used as a water supply pipe and can be bent. It is often used in rural drinking projects, water-saving irrigation and other projects.
HDPE pipes are not recommended for use as water supply pipes, and are often used in farmland irrigation projects and urban drainage projects.