High Silica Fiberglass Yarns & Cordage High silica glass fiber is the high temperature endure inorganic material fiber which composition made of 96% SiO2, it has good temperature & corrosion resistance, insulation, dielectric properties. long term working temperature reach more than 900oC,Specification of high silica glass fiber Linear density 90 10 220 15 380 19 475 24 570 29 760 38 855 43 Breaking strength>=N 15 35 40 50 60 80 90 nominal diameter(mm) 0.2 0.4 0.6 0.7 0.8 1.0 1.1