Fire-Retardant Welt Cord
SKU# CORD-012-25
Our 3mm (1/8") diameter welt cord offers high resistance to heat, flame, water, and chemicals, making it suitable for aerospace and other technical applications. Its durable construction provides a consistent, clean finish where reliability and safety are required. Recommended for cushions that must meet the 14 CFR (FAR) 25.853(c) Seat Cushion Oil Burn test (when paired with other acceptable materials).
Sold in 25 or 100 yard increments, on 25 yard rolls. Other diameters are available upon request. Includes FAA burn certificate for FAA 25.853(a) vertical burn test.
| Material | High-Performance Polymer |
| Diameter | 3 millimeters (0.118 inches) |
| Color | White |
| Flammability Standards |
14 CFR (FAR) 25.853(a), Vertical Burn California Technical Bulletin 117 FMVSS 302, Automotive Flammability |
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This product is recommended for use in automotive interiors. |
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This product is recommended for use in marine applications. It has excellent characteristics to resist water absorption. |
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This product is acceptable for use in Railway applications when used as under the small part exemption (49 CFR 238, Appendix B, Footnote 10). This product may also pass other rail tests. Contact us for more information. |
The finishing details in a transportation interior are structural, functional, and in many cases, life-safety critical. Bramport Supply Co.'s fire-retardant welt cord is built for interior fabricators who understand that every component, down to the welt cording, must meet the same rigorous standards as the materials surrounding it.
Crafted from a high-performance polymer with outstanding resistance to heat, flame, water, and chemicals, this welt cord delivers the clean, consistent finish that professional upholstery demands, without sacrificing the safety certifications your industry requires.
Why Fabricators Trust Our Fire-Retardant Welt Cord:
- Meets 14 CFR (FAR) 25.853(a) Vertical Burn requirements (FAA burn certificate included)
- Recommended for cushions subject to the FAR 25.853(c) Seat Cushion Oil Burn test (when paired with other compliant materials)
- Compliant with California Technical Bulletin 117 and FMVSS 302 automotive flammability standards
- Excellent resistance to water absorption: ideal for marine environments
- Available in 25 or 100 yard increments; custom diameters available upon request
Multi-Industry Compliance at a Glance:
- Aerospace: Recommended for all aircraft and rotorcraft interiors
- Automotive: Suitable for compliant vehicle interior upholstery applications
- Marine: Recommended for marine interiors with excellent water resistance
- Railway: Accepted under the small part exemption (49 CFR 238, Appendix B)
What is welt cord used for in upholstery?
Welt cording refers to the use of a round cord inserted inside a covered trim strip, creating a defined, finished edge along seams and borders. It's a standard finish in professional-grade transportation interiors.
What makes this welt cord fire-retardant?
This fire-retardant welt cord is made from a high-performance polymer engineered to resist ignition and slow flame spread, meeting FAA, automotive, and California flammability standards.
Does this welt cord work for marine applications?
Yes. Unlike standard welt cord, this product is specifically noted for its resistance to water absorption, making it well-suited for marine interior applications.
How is this product sold?
Welt cording is sold in 25 or 100 yard increments on 25-yard rolls. Other diameters beyond the standard 3mm are available upon request — contact Bramport for a custom quote.
Is a burn certificate included?
Yes. Every order includes an FAA burn certificate for the FAR 25.853(a) vertical burn test.