Dicyclopentadiene (DCPD) is a specialty chemical derived from the C5 fraction of naphtha crackers. It serves as a critical feedstock for unsaturated polyester resins, EPDM elastomers, hydrocarbon resins, and specialty intermediates. Because DCPD comes from the by-product stream of ethylene production, its pricing is closely tied to cracker operating rates, naphtha prices, and petrochemical...