Unlock Unmatched Heat Resistance with Our High-Silica Sewing Thread​

In industries where extreme temperatures are a daily challenge, our high-silica sewing thread delivers unparalleled performance. Crafted from high-purity inorganic fibers with over 96% silica content, this thread remains intact even at 1700℃ softening points​ and withstands long-term use in environments up to 1000℃

Whether for protective gear, industrial filtration, or aerospace applications, it combines superior heat resistance with exceptional durability—ensuring safety and reliability under the most demanding conditions.

Key Features​

1.Exceptional Thermal Stability​

Softening point near 1700℃, withstanding 1450℃ for 10 minutes​ and 1600℃ for 15 seconds​ without degradation

Low thermal conductivity (as low as 1.4 W/m·K) for enhanced insulation efficiency

Robust Physical & Chemical Resilience​

High tensile strength and anti-vibration properties, ideal for high-speed industrial sewing

Resists acids, alkalis, oils, water vapor, and corrosion, maintaining performance in harsh chemical environments

Safety and Eco-Friendly Compliance​

Non-toxic, asbestos-free, and environmentally safe, meeting international industrial hygiene standards

Excellent electrical insulation properties, suitable for cable filling and electronic components

Applications Across Industries​

Fire Protection Gear: Sewing firefighting suits, curtains, blankets, and high-temperature gloves

High-Temperature Filtration: Bag houses for gas/dust collection, liquid filtration, and automotive exhaust systems

Industrial Sealing & Insulation: Gaskets, welding protective materials, and thermal shields for machinery

Aerospace & Automotive: Heat shields, muffler wraps, and engine compartment insulation

Product Specifications​

Available Forms: Twisted cords (0.6–4mm), braided ropes (1–4mm), sleeves (1–10mm), and custom-width tapes

Yarn Options: 12-ply to 24-ply threads, tailored for manual or industrial sewing machines

Color: Natural white, with optional coatings for specialized needs

Why Choose Our High-Silica Thread?​

Longer Service Life: Outperforms conventional glass fibers in durability and heat resistance

Customizable Solutions: Flexibility in sizing, coating, and packaging to meet unique project demands

Global Standards Compliance: Consistent quality verified for critical applications in fire safety and industrial engineering.

Elevate your products with a thread that refuses to fail—even in flames.​

For quotes and technical specifications, contact us to discuss your project needs.

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