---
kind: "section"
citation: "16 C.F.R. § 1631.3"
title: "16"
number: "1631.3"
heading: "General requirements."
url: "https://uscodex.org/cfr/16/1631.3"
---

# §1631.3. General requirements.

- (a) **Summary of test method.** This method involves the exposure of each of eight conditioned, replicate specimens of a small carpet or rug to a standard igniting source in a draft-protected environment and measurement of the proximity of the charred portion to the edge of the hole in the prescribed flattening frame.
- (b) **Test criterion.** A specimen passes the test if the charred portion does not extend to within 2.54 cm. (1.0 in.) of the edge of the hole in the flattening frame at any point.
- (c) **Acceptance criterion.** At least seven of the eight specimens shall meet the test criterion in order to conform with this Standard.

## Notes

### Authority

Authority: Sec. 4, 67 Stat. 112, as amended, 81 Stat. 569-70; 15 U.S.C. 1193.

### Source

Source: 40 FR 59935, Dec. 30, 1975, unless otherwise noted.