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Deep & Emerging Tech·September 8, 2026·1 min read

China put a 99.2% duty on a chemical chip fabs need

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A near-prohibitive 99.2% duty on Japanese dichlorosilane — a key film-forming chemical — is another reminder that chip supply chains are now policy instruments. Chip designers and large buyers should map exposure beyond wafers and tools down to specialty chemicals and assume more geo-linked price and availability shocks.