The type dimension of Piperylene market taxonomy distinguishes three primary product categories: pure piperylene, mixed C4 olefin streams, and piperylene derivatives. Pure piperylene, typically supplied at >99% purity, commands the highest price premium and is the principal feedstock for high‑value polymers, contributing roughly 45% of total market revenue. Mixed C4 olefin streams, which contain piperylene alongside butadiene and isoprene, are priced lower but benefit from broader downstream flexibility; they account for approximately 35% of the market, driven by cost‑sensitive applications such as rubber compounding. Piperylene derivatives—including chlorinated, acetylated, and polymer‑grade grades—represent specialized niches (e.g., flame retardants, specialty adhesives) and generate the remaining 20% of sales. This Piperylene segmentation by type clarifies how each sub‑category supports the aggregate market size through distinct pricing structures, purity requirements, and end‑use compatibility.