... adhesive----PE. Feature:1. Sanitary, non-rust, pollution-free;2. High temperature and high pressure resistance, anti-corrosion, used to transport hot water ... and reliable, less total cost. Application:1. Cold/hot water pipe, assure the quality of water without second pollution;2. Caliduct, floor, heating ... Test Process Packaging (According to your requirement) overlap welding composite ppr-al-pe pipe