No — both sulfate-process and chloride-process titanium dioxide classify under 282300 regardless of production method, crystal form (rutile or anatase), or surface treatment. These distinctions are commercially significant for performance specifications but are not tariff-line differentiators.

Antidumping and countervailing duty orders have been applied to titanium dioxide from certain countries in the past. Importers should check the current CBP ADD/CVD order database and USITC determinations by country of origin, as scope and duty rates are subject to periodic administrative review and can change between shipments.