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