(a) General. All components used in the construction of buoyant cushions must meet the applicable requirements of subpart 164.019 of this chapter.

(b) Kapok. The kapok shall be all new material complying with Specification subpart 164.003 of this subchapter and shall be properly processed.

(c) Fibrous glass. The fibrous glass shall comply with the requirements of specification MIL-B-2766.

(d) Cover. Cotton fabrics and coated upholstery cloth meeting the minimum requirements set forth in paragraphs (d) (1) and (2) of this section are acceptable for use as covers for buoyant cushions, but alternate materials will be given special consideration. Pro rata widths of like construction will be acceptable.

(1) Cotton fabrics. Cotton fabrics shall comply with the requirements of Federal Specification CCC-C-426 for Type I, Class 3 material.

(2) Coated upholstery cloth. Coated upholstery cloth shall comply with the requirements of Federal Specification CCC-A-700.

(e) Pad covering. The covering for the buoyant pad inserts shall be flexible vinyl film not less than 0.008 inch in thickness meeting the requirements of Federal Specification L-P-375 for Type I or II, Class 1, film.

(f) Grab straps. The grab straps shall be of materials permitted for the cover, or approved equivalent.

(g) Thread. Each thread must meet the requirements of subpart 164.023 of this chapter. Only one kind of thread may be used in each seam.

(h) Welting. The welting where used may be any fiber or plastic material suitable for the purpose.

[CGFR 65-37, 30 FR 11583, Sept. 10, 1965, as amended by CGD 78-012, 43 FR 27154, June 22, 1978; CGD 84-068, 58 FR 29493, May 20, 1993]