In Force Checked October 24, 2026
In force under the Flammable Fabrics Act. Applies to clothing textiles sold in the United States.
What It Covers
A 45-degree burn test that classifies clothing textiles by how quickly and intensely they burn.
Who It Applies To
Manufacturers, importers and retailers of clothing and the fabrics intended for it, with exemptions set out in the regulation.
Key Requirements
- Class 1, normal flammability: acceptable for clothing.
- Class 2, intermediate flammability: applies only to raised-fiber surfaces; acceptable.
- Class 3, rapid and intense burning: unsuitable for clothing and banned.
- Testing before and after dry cleaning and laundering, as the regulation specifies.
What an Auditor Asks to See
- Test results and the classification for each fabric, with records of the lots covered.
Where Systems Fall Short
- Raised-surface fabrics tested only on the flat side.
How QES Helps
Testing programs and records that prove which class each fabric is.
Related Standards
Sources. eCFR — 16 CFR Part 1610 (opens in a new tab). Status checked October 24, 2026. This page summarizes 16 CFR Part 1610; it does not reproduce or replace it. Buy the standard from its publisher, or read the regulation in its official text, before relying on a detail. Not legal advice.