DL Chemical Co., Ltd. (디엘케미칼 주식회사) is a South Korean petrochemical company founded in 1979 and headquartered in Seoul. It specializes in the production of polymers and specialty chemicals, with an annual capacity exceeding 900,000 tons of chemical products.
The company manufactures polyethylene (PE) under the D.FINE brand, including metallocene PE (mPE)—the first commercialized in Korea—and HDPE/mLLDPE for applications in packaging films, containers, and pipes. Other core products include polybutene (PB, world's largest open-market producer), ethylene-propylene oligomer (EPO) for lubricants, and BOPP films.
DL Chemical has expanded globally through acquisitions, including Cariflex in 2020 (leader in isoprene rubber latex for medical gloves) and Kraton Corporation in 2022 (specialty polymers like styrenic block copolymers and pine-based chemicals such as TOFA and TOR). It holds joint ventures like Yeocheon NCC (ethylene) and Poly Mirae (PP), with operations and R&D centers in Korea, the US, Europe, Brazil, and Asia.
Also known as DL케미칼 and 디엘케미칼.
Targets >60% specialty by 2030; building a 500k t/yr compounding plant; creating hydrogen value chain—four fuel-cell plants (80MW) and 450‑bar H2 hub; expanding high-end copper foil and TMAH output.
