The global epoxidized soybean oil (ESBO) market is projected to grow from USD 607.16 million in 2026 to USD 815.12 million by 2032, at a CAGR of 5.01%, according to a 360iResearch report published by Research and Markets. ESBO, produced by converting the unsaturated bonds in soybean oil into epoxy groups, is prized in flexible PVC as a bio-based secondary plasticizer and acid scavenger that helps capture hydrogen chloride released during thermal processing, improving heat stability and clarity while reducing reliance on conventional phthalates.

Demand is anchored in three fundamentals: global soybean availability (with the USDA identifying the United States, Brazil, Argentina and China as central to supply), the scale of PVC processing across construction, wire and cable, medical devices, automotive interiors and consumer goods, and tightening chemical-safety expectations. In flexible PVC, ESBO now functions both as a plasticizer and as a stabilizer, a dual role valued by converters seeking to reduce additive-package complexity while maintaining durability and processing efficiency.

Regulatory momentum drives the shift: REACH and food-contact rules in Europe, FDA food-contact approvals for selected polymer uses in the United States, and phthalate restrictions in toys, childcare articles, medical products and food packaging have accelerated interest in non-phthalate and bio-based plasticizers. Asia-Pacific is the most dynamic region, led by China’s large PVC processing base and India’s pipes, cables, footwear and packaging demand, while North America benefits from soybean availability and mature processing. Leading producers include CHS, Cargill, Arkema, Galata Chemicals, Adeka, Nan Ya Plastics, Valtris Specialty Chemicals, BASF and DIC Corporation.