(a) Chemical substance and significant new uses subject to reporting.
(1) The chemical substance identified generically as polythioether, short chain diol polymer terminated with aliphatic diisocyanate (PMN P-18-219) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section.
(2) The significant new uses are:
(i) Industrial, commercial, and consumer activities. It is a significant new use to manufacture the PMN substance with molecular weight greater than 10,000 daltons. It is a significant new use to manufacture the PMN substance with free isocyanate residuals greater than 0.01% by weight.
(ii) [Reserved]
(b) Specific requirements. The provisions of subpart A of this part apply to this section except as modified by this paragraph (b).
(1) Recordkeeping. Recordkeeping requirements as specified in § 721.125(a) though (c) and (i) are applicable to manufacturers and processors of this substance.
(2) Limitation or revocation of certain notification requirements. The provisions of § 721.185 apply to this section.
[86 FR 24333, May 6, 2021]