It also boasts lower fusion and gelation temperatures and higher fused strength.Swiss-based Jungbunzlauer (U.S. office in Newton Centre, Mass.), introduced Citrifol BII line of tailor-made, fully-degradable citrate esters as an alternative to phthalates and other plasticizers, particularly for use in biopolymers such as PLA. Applications include mulch films or films used to prevent soil erosion.