Fiberglass Yarns E-Fiberglass Yarn For thread Introduction: Fiberglass sewing thread is composed of fiberglass yarn treated with PTFE. It features high tensile strength, good sewing property and high temperature resistance. It is widely used in sewing high temperature textiles. It is necessary fitting material used to sew filter bags on industrial high-speed sewing machine, also used to sewing weak alkali-resistant weave and sewing high temperature textiles. It can be used below300C.deg for a long period, with high tensile strength. Applications: ◎ Used for seal and insulating products. ◎ Perfect for safety clothing and gloves. ◎ It will sewing filter bags used in carbon black/metallurgy/cement industried Specifications: Code No. Cord diameter Twists direction Twists(T/M) Tex >=N(kgf) Qualified First-class EC6-12.5′3′4Z 0.5 0.1 Z 280 150 73.5(7.5) 83.3(8.5) EC6-12.5′2′6Z 0.65 0.1 Z 280 150 68.6(7.0) 83.3(8.5) EC6-12.5′3′5Z 0.8 0.1 Z 280 188 78.4(8.0) 88.2 (9. 0) EC6-12.5′4′4Z 0.85 0.1 Z