160.076-21—Component materials.

(a) Each component material used in the manufacturer of an inflatable PFD must—
(1) Meet the applicable requirements of subpart of this chapter, UL 1191, UL 1180, and this section; and
(2) Be of good quality and suitable for the purpose intended.
(b) The average permeability of inflation chamber material, determined in accordance with the procedures specified in § 160.076-25(d)(2)(iii) must not be more than 110% of the permeability of the materials determined in approval testing required by § 160.076-25(d)(2)(iii).
(c) The average grab breaking strength and tear strength of the inflation chamber material, determined in accordance with the procedures specified in §§ 160.076-25(d)(2)(i) and 160.076-25(d)(2)(ii), must be at least 90% of the grab breaking strength and tear strength determined from testing required by §§ 160.076-25(d)(2)(i) and 160.076-25(d)(2)(ii). No individual sample result for breaking strength or tear strength may be more than 20% below the results obtained in approval testing.
(d) Each manual, automatic, or manual-auto inflation mechanism must be marked in accordance with § 160.076-39(e).
[CGD 94-110, 60 FR 32848, June 23, 1995, as amended by CGD 94-110, 61 FR 13946, Mar. 28, 1996]