---
kind: "section"
citation: "46 C.F.R. § 164.013-3"
title: "46"
number: "164.013-3"
heading: "Material properties and workmanship."
url: "https://uscodex.org/cfr/46/164.013-3"
---

# §164.013-3. Material properties and workmanship.

- (a) **General.** The unicellular polyethylene foam shall be all new material complying with the requirements outlined in this specification. Unicellular polyethylene foam must comply with the requirements of UL 1191, sections [24](/cfr/46/24.md), [25](/cfr/46/25.md), and [26](/cfr/46/26.md) and its assigned Use Code. Thickness tolerances of the foam must permit the manufacture of PFDs complying with their required buoyancy tolerances.
- (b) **Use Codes 4BC, 4H.** Each foam which has a C-factor of at least 94 according to UL 1191 may be assigned Use Codes 4BC and 4H.
- (c) **Use Codes 2, 3, 5R.** Each foam which has a V-factor of at least 85 according to UL 1191 may be assigned Use Codes 2, 3, 5R (recreational use applications).

## Notes

### Source

Source: CGD 95-028, 62 FR 51216, Sept. 30, 1997, unless otherwise noted.

### Authority

Authority: 46 U.S.C. 3306, 3703, 4302; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; DHS Delegation 00170.1, Revision No. 01.4.