It can be applied to polyvinyl chloride plastic products, with good compatibility, low volatility, good stability to light and heat. Epoxy soybean oil (ESO) plasticizer can make non-toxic, environmentally friendly PVC products, can also be widely used in food packaging, medical supplies materials, toys and water supply pipes, etc., but also used as cellulose resin and synthetic non-toxic plasticizer and softener, in the processing of products, adding epoxy soybean oil (ESO) can significantly improve the physical properties of products and extend the aging time. In the field of synthetic rubber, the addition of epoxy soybean oil (ESO) can meet its softness at low temperature, play a softening role, and have a good synergistic effect when used with plasticizers. In addition, because of its good lubricity, compatibility and dispersion performance, it can also be used as a surfactant and dispersant, applied in the production industry of epoxy coatings and epoxy resins, and it is also widely used in wire and cable, refrigerator seals, sheets, pipes. Plastic shoes.