1.DOTP has good resistance to electricity and heat. It can replace DOP in PVC plastic electric wire sheath, and can also be used in the production of artificial leather film. In addition, it has excellent compatibility and can also be used for plasticizing acrylonitrile derivatives, polyvinyl butyral, nitrile rubber, nitrocellulose, etc. 2. DOTP is used in PVC products in cars, which can solve the problem of fogging of glass windows. DOTP is also used in high-grade furniture and interior decoration paints, coatings and high-quality lubricants or lubricating additives for precision instruments, nitro varnish additives, paper softeners, polyester amide biaxially stretched films, film plastic crafts, plasma storage bags,etc.