... well as electrical wrapping materials, engineering materials, textured yarn, woven electronic grade fabric and so onTypical Products ... use,other specifications available upon request.Packages:Fiberglass Weaving yarn package has two types, small and big bobbins ... per bobbin, .40bobbins per carton.Typical Applications:Yarn in Electric Insulation Sleeves,Yarn in E-grade Fabric E-glass Fiberglass yarn