Triethylene glycol (TEG) and tetraethylene glycol (TETRA EG) may be used directly as a plasticizer or modified by esterification. As a plasticizer, TEG and TETRA EG are used in the manufacture of:
1.Safety glass
2.Separation membranes (silicone rubber, polyvinyl acetate, cellulose triacetate)
3.Ceramic materials (resistant refractory plastics, molded ceramics)
Demand for tetraethylene glycol is strong in the area of BTX (benzene, toluene, xylene) extraction to separate aromatic hydrocarbons from non-aromatic hydrocarbons.