Major Sulfur Export Grades from Iran
Iran is one of the world's leading producers and exporters of sulfur, primarily as a by-product of natural gas and oil refining,especially from the South Pars gas field. Below are the major export grades:
Granular Sulfur
Appearance: Yellow, solid granules (2–6 mm size)
Purity: 99.5% – 99.9% S (typical: 99.8%)
Moisture: ≤ 0.1%
Ash Content: ≤ 0.05%
Packing: Bulk, jumbo bags (1 MT), or as required
Applications:
Fertilizer production (Sulfur Bentonite, Sulfur Urea)
Sulfuric acid production
Rubber and chemical industries
Target Markets: China, India, Brazil, Southeast Asia, Africa
Lump Sulfur
Appearance: Irregular, large yellow lumps
Purity: 99.5% min
Moisture: ≤ 0.5%
Packing: Bulk (mainly via vessels)
Applications:
Direct use in sulfuric acid manufacturing
Industrial processes (chemicals, paper, sugar refining)
Target Markets: India, Turkey, East Africa
Powdered (Crushed) Sulfur
Appearance: Fine yellow powder
Purity: 99.5% min
Applications:
Agricultural fungicide and pesticide
Rubber vulcanization
Explosives
Special Handling: High flammability – requires sealed packaging
Target Markets: Southeast Asia, Latin America, Sub-Saharan Africa
Sulfur Pastilles (Formed Sulfur)
Appearance: Round-shaped, solidified droplets
Purity: Up to 99.9%
Advantages: Less dust, better handling and storage
Applications:
High-end fertilizer production
Chemical industries
Target Markets: Europe, Japan, South Korea, high-standard buyers
Packing & Shipment
Granular and Lump: bulk or jumbo bags
Powdered: multi-layered bags or drums
Pastilles: 25–50 kg bags or jumbo bags
Shipment Ports: Bandar Abbas, Bandar Imam Khomeini, Mahshahr
Competitive Advantages of Iranian Sulfur
High purity
Competitive pricing
Large volumes available
Strategic location for shipping to Asia, Africa, and Europe