
Inhibits the Spread of Flames
Inhibit® contains a special flame-retardant compound that offers you superior performance and durability compared to topically-treated fabrics.
Potential Benefits
Flame-retardant polyester yarns contain a special phosphorus compound that promotes quick formation of char, reducing the flammable gases emitted and the propensity to burn.
- Utilizes proven phosphorous based, non-halogenated FR chemistry
- Superior performance and durability versus topically-treated fabrics
- Combines well with other proprietary additives or finishes for additional benefits
Technology is in the yarn structure. Performance dependent upon fabric construction.
Available Platforms
- Extensive product offering, including Inhibit®, Inhibit® Max, REPREVE FR, REPREVE FR Max
- POY, Flat and DTY polyester filament yarns
- Polyester filament available globally
- Inhibit® and Inhibit® Max are produced by Unifi Manufacturing, Inc. (UMI)
- Both UMI and UTSC produce REPREVE FR
Fabrics made with Inhibit® yarns have been shown to pass a wide range of flammability tests such as the ones below:
- NFPA 701-2004
- BFD 9-1
- IMO A.688 (17)5.51&2
- IMO A.652 (16)8.2&3
- FMVSS 302
- ATSM E84
- Cal 117E CFR 1610
Discover the Possibilities
Inhibit® Helps Make These Everyday Products Better
Proof in the Science
How Inhibit® Works

Solid materials such as a polymer consisting of long-scale molecules are heated.

Heat causes temperatures to rise to the polymer decomposition point.

Flammable gases are released as reaction breaks down the polymer into short-chain and smaller molecules.

Released gases mix with oxygen in the air encouraging further reaction, combustion, and decomposition until the material consumes itself.
Disclaimer: Fabric construction, finishing, and processing have a significant impact on the ability of a final product to pass tests. All fibers sold as Inhibit® flame resistant or retardant (FR) are warranted only to contain no less than 2,000 parts per million phosphorous (with respect to REPREVE FR and Inhibit® fiber) or 5,000 parts per million phosphorous (with respect to REPREVE FR Max and INHIBIT® Max fiber). EXPECT FOR THE FOREGOING PHOSPHOROUS CONCENTRATION WARRANTY, UNIFI MAKES NO REPRESENTATIONS, WARRANTIES OR CLAIMS OF ANY KIND, EXPRESS OR IMPLIED, REGARDING ANY INHIBIT® OR OTHER FR FIBER, INCLUDING, WITHOUT LIMITATION, ANY REPRESENTATIONS, WARRANTIES OR CLAIMS REGARDING THE FLAME RETARDANCY OR FLAME
RESISTANCE OF ANY SUCH FIBER BASED UPON ANY PERFORMANCE STANDARD, THE SUITABILITY OF THE FIBER FOR ANY PARTICULAR PURPOSE OR THE COMPLIANCE OF ANY SUCH FIBER OR FINISHED GOOD PRODUCED THEREFROM WITH ANY ENVIRONMENTAL, HEALTH, CONSUMER SAFETY OR OTHER LEGAL, REGULATORY OR INDUSTRY REQUIREMENT OR STANDARD, ALL OF WHICH SUCH REPRESENTATIONS, WARRANTIES OR CLAIMS ARE EXPRESSLY DISCLAIMED. It is the purchaser’s sole responsibility to determine performance and composition of its applications of any Inhibit® or other FR fibers. All purchasers of Inhibit® or other FR fibers must sign a Unifi Disclaimer and Acknowledgement form before purchasing any such fibers.
What We Offer

Recycled + Performance
We combine the highest quality recycled fiber with high-performing technologies. Ensuring the sustainability consumers expect and the performance they demand.

Anywhere in the World
Our expanding network of manufacturing facilities, sales and sourcing initiatives enables us to deliver innovative products and enhanced service in every major textile region.
Our Fabric Library
The Inspiration You Need
See textiles and fabrics made with Unifi fibers from our globally-certified mill partners. You must be an established brand, qualified designer, or buyer to gain access to the library as well as product design and valuable marketing support.
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