Segmentation by Types classifies polyolefin resins into high‑density polyethylene (HDPE), low‑density polyethylene (LDPE), linear low‑density polyethylene (LLDPE), polypropylene (PP), and specialty grades such as metallocene‑based copolymers. HDPE, with its superior tensile strength and chemical resistance, captures the largest portion of the market, underpinning packaging, pipe, and construction uses. LDPE, valued for its flexibility and clarity, primarily serves film and bag applications, contributing a modest yet stable share. LLDPE offers a balance of strength and elongation, increasingly adopted in stretch‑film and agricultural mulch, thereby expanding its market relevance. PP, distinguished by a higher melting point and rigidity, dominates automotive and consumer‑goods sectors where heat resistance is paramount. Specialty polyolefins, engineered for enhanced barrier, impact, or processing characteristics, occupy a niche but high‑margin segment, supporting advanced packaging and medical‑device markets. Each type’s distinct property set translates directly into its proportional contribution to overall market volume.