ProFlex 400 is a dipropylene glycol dibenzoate and a longstanding member of the benzoate plasticizer family. Renowned for its versatility, ProFlex 400 is a polar, high-solvating plasticizer that remains commercially viable. It exhibits compatibility with various polar polymers and rubbers, making it a preferred choice for blending with other plasticizers, such as diethylene glycol dibenzoate.