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Protek Fire Retardant Threads

Protek® Nomex® Sewing Threads

In the world of professional and industrial sewing, the choice of thread is as crucial as the fabric itself. Protek Nomex Sewing Threads are engineered to meet the most demanding requirements, offering unparalleled performance in challenging conditions. Whether you’re manufacturing protective apparel, aerospace components, or automotive parts, these threads ensure durability, reliability, and safety.


Protek Nomex Sewing Threads are not just threads; they are a commitment to quality, safety, and durability. When your product demands the best, choose Protek Nomex – where every stitch counts toward safety and excellence.

Key Features

  • Exceptional Heat Resistance: Crafted from Nomex® fiber, these threads can withstand extreme temperatures, making them ideal for fire-resistant clothing and heat-protective gear.
  • Superior Strength and Durability: Protek Nomex threads are known for their high tensile strength, ensuring that your seams hold strong even in the toughest conditions.
  • Chemical Resistance: These threads resist a wide range of chemicals, acids, and alkalis, maintaining their integrity in harsh environments.
  • Mildew and Ageing Resistance: Designed to resist mildew and aging, these threads maintain their quality over time, even in damp or challenging outdoor conditions.
  • Low Shrinkage: With minimal shrinkage, Protek Nomex threads maintain consistent tension and seam integrity, essential for high-quality, long-lasting products.
  • Versatility in Applications: Ideal for use in aerospace, military, automotive, and emergency services industries, these threads are versatile for various high-performance applications.
  • Color Fastness: Available in a range of colors, these threads retain their vibrancy and do not fade easily, even under exposure to sunlight and harsh conditions.
  • User Safety: By using Protek Nomex threads, you’re not just ensuring the durability of your products, but also the safety of the end-users, especially in fire-prone or high-heat environments.

Recommended Use

Protek Nomex Sewing Threads are highly recommended for applications where safety and performance cannot be compromised. They are ideal for:

  • Firefighter uniforms and protective gear
  • Aerospace and aviation components
  • Automotive safety equipment
  • Industrial workwear and protective clothing
  • High-performance outdoor and sports gear





45/2, 45/3, 30/3, 30/4, 25


27, 40, 60, 70, 90

Single-End Break

1.7 lbs, 2.5 lbs, 4.0 lbs, 5.0 lbs, 6.0 lbs

Break Strength

Very Good


Multiple colors available. Contact us for details.


24 spools per case

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