
Pex-Al-Pex Aluminium Plastic Composite Pipe for Water Heating Plumbing Gas Pipe. 50-Year Service Life: Designed for long-term durability with over 50 years of service under normal conditions. Oxygen Barrier Technology: Aluminum core is diffusion-tight, preventing oxygen and gas permeation into the pipe. Customizable Colors: Available in white, yellow, red, and blue with customized color options. OEM/ODM Branding: Full customization services including logo printing and brand design. Low Thermal Conductivity: Heat preservation is 1/1500 of brass and 1/250 of steel, reducing energy loss. Corrosion and Toxicity Free: Non-toxic with no heavy metal additives and resistance to chemical corrosion. High Flow Capacity: Smooth interior walls reduce pressure loss and increase volume compared to metal pipes.