1.Corrosion Resistant: resist chemical matters and electron chemical corrosion 2.Low Flow Resistance: smooth interior walls and low friction 3.Excellent Flexibility: can be supplied in coil 4.Easy Installation: light weight and handed friendly 5.Longevity:can work for more than 50 years under proper use 6.Various Joint Availability: butt fusion joint, electro fusion joint and transition joint 7.Recycled and Environment-friendly