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Tin surges to near-record $53,745/t as Myanmar and Indonesia both cut supply simultaneously

Man Maw mine remains largely halted; Indonesia's Prabowo crackdown on illegal Sumatra mining created a second concurrent shock; LME tin up 55% year on year by February 2026

Minerals· active Whose Money·The Long Game ·5 takes · ·rbtfl upd Jun 25, 2026

Summary

LME tin surged to $53,745/t on May 6, 2026, the highest since the 2022 commodity peak, driven by two simultaneous supply shocks in Southeast Asia, the world's dominant tin-producing region. Myanmar's Man Maw mine, which historically provided low-cost, high-volume feedstock to Chinese smelters, remained largely halted throughout early 2026, with a controlled restart yielding only limited shipments. In Indonesia, President Prabowo Subianto ordered closures of illegal mining operations in Sumatra's tin-producing belts, removing a meaningful informal supply stream that had historically cushioned market tightness. Indonesia raised its official quota to 60,000t for 2026 from 53,000t in 2025 but the enforcement crackdown more than offset the nominal increase. LME three-month tin closed at $49,681/t on June 24, 2026, still up roughly 55% from year-earlier levels. Approximately 40% of global tin consumption goes into solder for electronics and semiconductor packaging, making the metal a direct input to AI-era data centre build-out.

The split

Mining and commodity analysts (Crux Investor, Northern Miner) focus on the structural rarity of two major supply sources disrupting simultaneously, removing the redundancy that has historically prevented tin from extreme pricing. Coface and European credit insurance analysts emphasise the demand-side: the AI infrastructure build-out creates structural demand growth for solder-grade tin that is largely absent from mainstream critical-mineral narratives focused on batteries and magnets. Indonesian government framing presents the Sumatra crackdown as environmental and formalisation policy, not a supply-restriction instrument. Critics note the practical effect on global markets is the same regardless of motive. Myanmar supply remains a black box given the ongoing civil conflict; Man Maw ore flows depend on whichever armed group controls the access corridor.

By the numbers

  • $53,745/t, LME tin peak on May 6, 2026 (three-month contract).
  • $49,681/t, LME tin three-month close on June 24, 2026.
  • ~55%, approximate year-on-year tin price increase as of February 2026.
  • 60,000t, Indonesia's official tin quota for 2026 (up from 53,000t in 2025).
  • ~40%, share of global tin consumption in electronics solder (semiconductor packaging, circuit boards).
  • $35,000-$40,000/t, Fitch/BMI base-case range for 2026 (since exceeded significantly).

Why it matters

Tin is rarely listed in critical mineral strategies alongside lithium, cobalt and rare earths, but it is irreplaceable in electronics manufacturing: every semiconductor device, circuit board and solar panel contains solder. The 2026 price surge above $50,000/t imposes significant cost inflation on chip packaging and electronics assembly, which are already facing margin pressure. Unlike battery metals where alternative chemistries and recycling are advancing, tin has no near-term substitute in solder applications. The supply concentration in two politically fragile jurisdictions, Myanmar (civil war) and Indonesia (enforcement-driven volatility), creates a vulnerability that Western electronics and defence supply chains have not fully priced.

What to watch

  • Man Maw mine restart timeline and which armed-faction corridor controls ore shipments.
  • Indonesia enforcement cadence: whether the Sumatra crackdown is sustained or relaxed under industry pressure.
  • LME tin stock levels: exchange-registered tin inventories are a leading indicator of near-term physical tightness.
  • Whether Western semiconductor manufacturers respond with strategic tin stockpiling comparable to chip-material strategies.