[SMM News] Tight Local Sulphuric Acid Supply in Indonesia

Published: Apr 23, 2026 15:42

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According to an SMM survey, Indonesia's three major copper smelters — Freeport Manyar (production resumption ramp-up hindered after fire + concentrates shortage), Amman (equipment damage, under maintenance in H1 2026), and PT Smelting (long-term contract supply with state-owned fertiliser giant Pupuk Indonesia) — were operating at low utilisation rates or bound by long-term contract commitments, resulting in a severe domestic supply shortage of sulphuric acid, a critical chemical raw material, in Indonesia.

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