Epoxy soybean oil is a kind of chemical product made by oxidation treatment of soybean oil. It is a light yellow viscous oily liquid at room temperature. It is a kind of widely used PVC non-toxic plasticizer and stabilizer: it has good compatibility with PVC resin, low volatility and small migration.It has excellent heat and light stability, good water and oil resistance, can endue products with good mechanical strength, weather resistance and electrical properties, and has no toxicity. It is an internationally recognized chemical process aid for food packaging materials.