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Canada-Asia sulfur corridor

The Canada-Asia sulfur corridor moves formed elemental sulfur from Western Canadian recovery points to Asian fertilizer, chemical, and metals consumers. The lane is dry-bulk Pacific. Molecules come from oil sands upgrading and sour-gas processing. BC Insight’s 2024 Canadian export review placed 2023 production near 4.5 Mt, with about 2.6 Mt from oil sands and 1.7 Mt from sour gas, plus a small refining contribution. Domestic use near 0.6 Mt leaves a structural surplus. Roughly 1.3 Mt moved south as molten into the US in that narrative; about 2.8 Mt left via Vancouver as solid. Inland logistics convert molten or block sulfur into vessel-ready solids. Forming plants near Edmonton/Heartland and Fort McMurray (including South Cheecham from Q3 2023) produce prill, pastille, or granule. Remelt terminals reclaim Alberta blocks when FOB covers costs often cited above $150/t all-in. CN and CPKC rail programs feed Port Moody and related Vancouver terminals. Transit from Vancouver to major Chinese ports is about 22 days on open Pacific water in Canadian trade commentary, without a Hormuz chokepoint. Ocean freight is the commercial hinge. Public sample sheets and trade notes show Vancouver-China sulfur freight swinging from calm-market teens (GMC later cited about $13/t Supramax in a 2025-26 note) to the low-to-mid $40s/t in the May 2022 Argus sample. Middle East-China freight, exploded into the $160s/t in open H1 2026 tables during the Gulf crisis. That freight differential, more than any Canadian production response, is what made Vancouver suddenly central in 2026 buyer narratives. Demand mix shifted through the five years. China remains the gravitational importer, with 2025 imports near 9.6 Mt and high Middle East dependence in SMM’s telling. Indonesia’s HPAL nickel projects added a newer sulfur pull. Australia stayed a steady Vancouver destination in Argus’s 2025 window. Brazil’s nearly threefold rise in Vancouver receipts in January-July 2025 showed the corridor reaching beyond Asia when Atlantic alternatives tightened or priced out. 2021-24 built the corridor’s capacity and customer habits under mostly moderate prices. 2025 proved remelt-plus-export could run hard when FOB averaged $238/t in the first seven months. 2026 stress-tested the thesis that Canada is the Pacific alternative when Middle East loadings fail. The limit was never the existence of Canadian sulfur; it was railcars, remelt rates, terminal stems, and how many tonnes were already contracted. UNCERTAIN: precise China share of Vancouver sulphur in each year without a full public destination matrix; treat destination comments from Argus and VFPA as partial views. Risk factors along the corridor are mostly inland and commercial in peacetime inland and commercial channels. Wildfire seasons can interrupt Fort McMurray logistics. Rail labour disputes can threaten Canada-US molten as well as Vancouver solids. Terminal dust, weather, and vessel bunching can delay loadout. Forming quality specifications (size distribution, moisture, residual H2S after degassing) determine which buyers accept which stems. None of these risks equal a Hormuz closure, which is why Vancouver’s relative appeal surged in 2026 even as absolute Canadian tonnes stayed far below Middle East seaborne share. For topic-page readers, the corridor should be visualized as a chain with measured public nodes: AER inventories and production where published, midstream forming capacities from company disclosures, Port of Vancouver sulphur tonnes, and attributed destination notes. Ocean freight enters as structural ranges from freight-history-5y.json, with platform_estimate tags where public sulfur-specific prints are missing. That is enough to support netback education without claiming a licensed assessment franchise. Trade policy and credit conditions sit beside the physical chain. Sanctions risk on Russian and related flows after 2022 changed how some Asian buyers diversified origin lists even before Hormuz failed. Letter-of-credit friction and vessel insurance premia can exclude otherwise physical tonnes from tenders. Canadian exporters benefited from a perception of open-Pacific reliability, subject to domestic rail and labour risk. Those soft factors help explain why Vancouver volumes rose through soft-price years: buyers were building a second-source habit, not only chasing the cheapest weekly FOB print.

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