Advantages : HDPE is softer and more bendable and has a tight bending radius. However, HDPE is a strong choice for both pressure and non-pressure piping application. HDPE is known for its flexibility, chemical stability and high strength-to-density ratio. HDPE offers a leak-free system via heat fusion joints.
Composition : Polyvinyl chloride is a thermoplastics material which consists of PVC resin compounded with varying proportions of stabilizers, lubricants, fillers, pigments, plasticizers and processing aids.