46 C.F.R. § 160.052-4 Materials—nonstandard vests.
Title 46 - Shipping
(a) General. All materials used in nonstandard buoyant vests must be equivalent to those specified in §160.052–3 and be obtained from a supplier who furnishes an affidavit in accordance with the requirement in §160.052–3(a). (b) Cover. A vinyl-dip coating may be allowed for the covering of the vest instead of a fabric envelope if the coating meets the requirements in §160.055–5(b)(2) of this chapter except there is no color restriction. (c) Reinforcing tape. When used, the reinforcing tape around the neck shall be [CGFR 65–37, 30 FR 11588, Sept. 10, 1965, as amended by CGD 72–90R, 37 FR 10837, May 31, 1972; 37 FR 11774, June 14, 1972, CGD 72–163R, 38 FR 8120, Mar. 28, 1973]
Title 46: Shipping
PART 160—LIFESAVING EQUIPMENT
Subpart 160.052—Specification for a Buoyant Vest, Unicellular Plastic Foam, Adult and Child
§ 160.052-4 Materials—nonstandard vests.

