Import Fiberglass Sewing Thread — Buy in Bulk from Supplier in China

Fiberglass sewing thread from Durason Filtech Co., Ltd. is a spun yarn made from 100% raw fiberglass, designed for industrial sewing applications requiring thermal stability. The thread has a natural brown hue and is engineered to resist temperatures up to 550°C, making it suitable for high-heat environments where synthetic or cotton threads would degrade. Its construction supports both automated and hand sewing, with low lint production and consistent tension under load.

This thread is typically available in denier ranges from 60 to 200, with standard diameters between 0.12 mm and 0.25 mm. It conforms to standard fiberglass yarn classifications used in technical textiles, with a tensile strength of approximately 1.2 to 1.8 N/tex, typical for industrial-grade fiberglass sewing threads. The material does not melt or char under prolonged heat exposure, unlike polyester or nylon alternatives, and retains structural integrity in environments exceeding 300°C.

It is commonly used in automotive seatbelt stitching, aerospace insulation layering, fire-resistant garment seams, and furnace gasket assembly. Buyers include manufacturers of safety gear, industrial filtration systems, and thermal barrier components. Packaging is typically on 1 kg cones or 5 kg spools, with inner polyethylene wrapping and outer carton boxing. Trade terms are negotiable, but standard lead times are 15 to 25 days after order confirmation.

Durason Filtech Co., Ltd. is a manufacturer and exporter based in Pudong, Shanghai, with a verified harbor trust tier and an imported supplier classification. The company specializes in technical textile yarns and industrial sewing solutions, with a focus on high-temperature-resistant materials. Its listing indicates active export experience but provides no details on factory size, workforce, or annual output.

There is no public information on certifications, client names, or years in operation. The supplier has no recorded response rate or average response time, suggesting limited communication channels or automated trading processes. Buyers should treat this as a direct manufacturer without verified quality systems unless documentation is provided upon request.