... ~Tetramethylene glycol;tetramethylene glycol;1,4-Butylene glycol;75% 1,4-BUTANEDIOL; use : 1,4-butanediol a wide range of uses ... polyester polyurethane elastomers and soft polyurethane foam plastics; 1,4-butanediol system is the cellulose esters, PVC, polypropylene and polyester ... Esters kind of good plasticizer. 1,4-butanediol with good ...