Sinepoxy® YX 4000 is a diglycidyl ether epoxy resin containing a biphenyl structure. It has good color and transparency. Compared with ordinary epoxy resins, it has excellent heat resistance and mechanical properties. It has high epoxy value and low total chlorine content. It has been widely used as a variety of profiles, coatings, adhesives, composite resin matrixes, such as physical and chemical properties and cost performance, especially in electronic packaging materials because of its ideal electrical insulation properties. It is a new type of Epoxy resin.