... C-glass or E-glass fiber glass Filament diameter (um): 9 11 13 Tex: ... glass yarnE-glass or C-glass Fiberglass yarn, Using glass yarn ball as the raw material, with ... equipment, strict management and scientific detection. This fiberglass yarn has the properties of insulation, fireproof, softness, ... and other special properties.Filament diameter (μm): 9, 11, 13Tex: 50~272 texBobbin yarn: 4kg /bobbin fiber ...