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Ceramic foam filters (filtros cerâmicos; alumina- and silicon-carbide-based porous ceramic bodies) are consumable inputs used in metal casting and foundry operations to remove inclusions and dross from molten iron, steel, and aluminium before pouring into moulds. Brazil's foundry and metallurgical sector relies on these components across iron castings (automotive parts, agricultural machinery) and aluminium casting.
The original antidumping duty on Chinese ceramic foam filters was first applied by CAMEX (the predecessor body) and was last extended five years to 2026 via CAMEX Resolution Nº 64 of 23 June 2020. With that extension due to expire in mid-2026, the DECOM sunset review — initiated on an application by Foseco Industrial e Comercial Ltda, the dominant domestic supplier — concluded that dumping from China at injurious levels would likely resume or continue if the duty were allowed to lapse.
GECEX's 238th Ordinary Meeting (23 June 2026) approved the extension. Resolução nº 920/2026 carries the primary duty re-imposition; Resolução nº 923/2026 (published the following day) is the companion instrument addressing related-party scope or administrative aspects of the same case. Both are classified under NCM subitems 6903.90.91 and 6903.90.99 (refractory ceramic goods, not elsewhere specified).
maintaining the duty wall protecting Foseco's domestic foundry-consumables business against lower-cost Chinese competition.
Chinese manufactured goods through 2025–2026; the ceramic-filter extension follows similar June 2026 extensions on refrigeration glass (GECEX 921) and precedes others in the same DECOM review cohort.
consumable, not a bulk commodity); severity is set at 2 reflecting the limited volume and the extension-of-existing-duty structure.
consumable exporters face continued duty friction into the Brazilian SACU-equivalent market.
resolution text in the DOU carries the rate schedule; not yet extracted).
broaden the product or exporter coverage beyond GECEX 920.