§ 721.11361 Multiwalled carbon nanotubes (generic).

(a) Chemical substance and significant new uses subject to reporting. (1) The chemical substance identified generically as multiwalled carbon nanotubes (PMN P-18-182) is subject to reporting under this section for the significant new uses described in paragraph (a)(2) of this section. The requirements of this section do not apply to quantities of the substance that have been:

(i) Embedded or incorporated into a polymer matrix that itself has been reacted (cured);

(ii) Embedded in a permanent solid/polymer form that is not intended to undergo further processing, except mechanical processing; or