Epoxidized soybean oil (ESBO) is a slightly yellowish liquid material that acts as a secondary thermal stabilizer, as it exhibits synergistic behavior with our thermal stabilizers and extends the thermal resistance of PVC. It offers good polarity and transparency, while also facilitating melt processing. It is also used as a secondary plasticizer, as it solvates PVC and provides a certain degree of flexibility.
It has a slight odor, which normally does not represent an issue for manufacturers. In addition, it is FDA-approved for food-contact applications, as it is considered a non-toxic material. It exhibits good polarity with PVC up to a certain level; however, at higher loadings it may lead to migration.
Its use is recommended in combination with metal salt stabilizers such as barium zinc and calcium zinc.
Our high-quality grades feature an optimal oxirane content and a low iodine value, resulting in excellent compatibility with PVC and low migration levels.
Epoxidized soybean oil (ESBO) is widely accepted for the manufacture of food packaging films, as it also provides excellent elongation and adhesion properties to the finished product.
