Thailand Bitumen Production
Last updated: 2026-10-01
Thailand produces approximately 8.2 million tonnes of bitumen and asphalt-related products annually, with domestic refineries accounting for roughly 6.7 million tonnes and imports filling the remaining 1.5 million tonnes of demand. The country's bitumen sector is anchored by Thai Oil Public Company Limited, PTT Public Company Limited, and Bangchak Corporation, which together control over 85% of national production capacity. Thailand's strategic position in Southeast Asia makes it a critical hub for bitumen trade, supplying neighboring markets including Vietnam, Cambodia, Laos, and Myanmar.
Thailand Bitumen Production Capacity: Refineries and Output
Thailand's bitumen production is concentrated among a handful of major refineries, each contributing distinct volumes to the national supply. The country's refining infrastructure is among the most advanced in Southeast Asia, with a total crude distillation capacity exceeding 1.2 million barrels per day.
| Refinery | Operator | Location | Bitumen Capacity (tonnes/year) | Primary Grade Output |
|---|---|---|---|---|
| Sriracha Refinery | Thai Oil PCL | Chonburi | 2,800,000 | Pen 60/70, Pen 40/50 |
| Rayong Refinery | PTT PCL | Rayong | 2,100,000 | Pen 60/70, AC 20 |
| Bangchak Refinery | Bangchak Corp | Bangkok | 1,200,000 | Pen 60/70, Cutback |
| IRPC Refinery | IRPC PCL | Rayong | 600,000 | Pen 60/70, Emulsion |
| Total | — | — | 6,700,000 | — |
Key production facts:
- Thai Oil's Sriracha facility is the largest single-site bitumen producer in Thailand, with a nameplate capacity of 2.8 million tonnes per year.
- PTT's Rayong complex integrates bitumen production with downstream asphalt mixing, supplying over 40% of domestic road construction demand.
- Bangchak has invested THB 1.2 billion (USD 34 million) since 2020 to upgrade its bitumen upgrading units, increasing Pen 60/70 output by 18%.
- Domestic refineries operate at an average utilization rate of 78-82%, leaving room for production surges during peak construction seasons (February to May and October to December).
Thailand's bitumen output is primarily Penetration Grade 60/70, which accounts for 67% of total production, followed by Pen 40/50 at 14%, cutback bitumen at 11%, and emulsified asphalt at 8%.
Thailand Bitumen Production vs. Regional Competitors
Thailand ranks third in Southeast Asia for bitumen production, behind Singapore and Malaysia, but ahead of Indonesia and Vietnam. The country's competitive advantage lies in its strategic geographic location, modern port infrastructure, and established trade agreements under the ASEAN Free Trade Area (AFTA).
| Country | Annual Bitumen Production (tonnes) | Export Volume (tonnes) | Average Export Price (USD/tonne) |
|---|---|---|---|
| Singapore | 12,500,000 | 8,200,000 | 485 |
| Malaysia | 9,800,000 | 5,400,000 | 472 |
| Thailand | 6,700,000 | 2,100,000 | 498 |
| Indonesia | 4,300,000 | 1,200,000 | 510 |
| Vietnam | 2,900,000 | 600,000 | 525 |
Comparative insights:
- Thailand's average export price of USD 498 per tonne is 2.7% higher than Singapore's and 5.5% higher than Malaysia's, reflecting premium quality grades and lower sulfur content.
- Thai bitumen exports reached 2.1 million tonnes in 2024, generating approximately USD 1.05 billion in revenue.
- Singapore dominates regional production due to its massive refining capacity and role as a blending hub for Middle Eastern and Australian crudes.
- Vietnam's lower production volume and higher prices make it a net importer, sourcing over 60% of its bitumen from Thailand and Singapore.
Thailand's bitumen production growth rate has averaged 3.2% annually over the past five years, outpacing the regional average of 2.1%. This growth is driven by infrastructure spending under the Eastern Economic Corridor (EEC) development plan and road rehabilitation projects nationwide.
Factors Driving Thailand Bitumen Production
Several interconnected factors determine Thailand's bitumen output levels, from crude oil sourcing to government infrastructure budgets. Understanding these drivers is essential for traders, procurement managers, and construction firms sourcing Thai bitumen.
1. Crude Oil Feedstock Availability
Thailand imports approximately 85% of its crude oil, primarily from the Middle East (55%), Malaysia (20%), and West Africa (10%). The quality of crude feedstock directly impacts bitumen yield:
- Heavy crude (API 20-25): Yields 35-40% bitumen per barrel
- Medium crude (API 25-35): Yields 20-25% bitumen per barrel
- Light crude (API 35+): Yields 8-12% bitumen per barrel
Thai refineries prefer heavy Middle Eastern crudes (e.g., Arab Heavy, Basra Heavy) for bitumen production, as they offer superior yield economics.
2. Government Infrastructure Spending
Thailand's government allocated THB 680 billion (USD 19.4 billion) for infrastructure development in 2024, including:
| Project Category | Budget Allocation (THB billion) | Bitumen Demand (tonnes) |
|---|---|---|
| Highway Expansion | 185 | 1,450,000 |
| Rural Road Paving | 120 | 980,000 |
| Airport Upgrades | 95 | 420,000 |
| Railway Construction | 140 | 180,000 |
| Urban Road Maintenance | 140 | 1,200,000 |
| Total | 680 | 4,230,000 |
3. Seasonal Demand Patterns
Bitumen demand in Thailand follows a bimodal seasonal pattern:
- Peak Season 1 (February-May): Dry season construction, 38% of annual demand
- Peak Season 2 (October-December): Post-monsoon road work, 32% of annual demand
- Low Season (June-September): Monsoon period, 30% of annual demand
Production schedules at Thai refineries adjust accordingly, with output increasing by 15-20% during peak construction months.
4. Export Market Dynamics
Thailand exports bitumen to 12 countries, with the top five destinations accounting for 89% of export volume:
| Export Destination | Volume (tonnes/year) | Share (%) | Primary Grade |
|---|---|---|---|
| Vietnam | 680,000 | 32.4% | Pen 60/70 |
| Cambodia | 420,000 | 20.0% | Pen 60/70, Pen 40/50 |
| Myanmar | 310,000 | 14.8% | Pen 60/70 |
| Laos | 240,000 | 11.4% | Pen 60/70, Cutback |
| Southern China | 220,000 | 10.5% | Pen 40/50 |
| Other | 230,000 | 10.9% | Various |
| Total | 2,100,000 | 100% | — |
Thailand Bitumen Pricing and Cost Structure
Bitumen pricing in Thailand is influenced by crude oil benchmarks (Brent, Dubai), domestic supply-demand balance, government taxes, and logistics costs. The following table outlines the cost breakdown per tonne of Pen 60/70 bitumen ex-refinery in Thailand.
| Cost Component | Amount (USD/tonne) | Percentage of Total |
|---|---|---|
| Crude Oil Feedstock | 320 | 64.0% |
| Refining & Processing | 68 | 13.6% |
| Domestic Logistics | 35 | 7.0% |
| Excise Tax & Duties | 42 | 8.4% |
| Refinery Margin | 35 | 7.0% |
| Total Ex-Refinery Price | 500 | 100% |
Additional costs for export buyers:
- Port handling & FOB charges: USD 18-25 per tonne
- Ocean freight (to Vietnam): USD 22-30 per tonne
- Ocean freight (to Southern China): USD 35-45 per tonne
- Insurance: USD 3-5 per tonne
Price trends (2022-2024):
| Year | Average Ex-Refinery Price (USD/tonne) | Year-over-Year Change |
|---|---|---|
| 2022 | 445 | +18.7% |
| 2023 | 478 | +7.4% |
| 2024 | 500 | +4.6% |
| 2025 (Projected) | 510-525 | +2.0% to +5.0% |
Thai bitumen prices are expected to rise modestly in 2025, driven by increased infrastructure spending and higher crude oil forecasts (EIA projects Brent at USD 82-88 per barrel).
Thailand Bitumen Production Outlook 2025-2030
Thailand's bitumen production is projected to grow from 6.7 million tonnes in 2024 to 8.4 million tonnes by 2030, representing a CAGR of 3.8%. Key developments shaping this outlook include:
- PTT's Rayong Expansion: A THB 4.5 billion (USD 128 million) investment to increase bitumen capacity by 400,000 tonnes/year by 2026.
- Thai Oil's Clean Fuel Project: A USD 5 billion upgrade at Sriracha refinery, expected to increase heavy crude processing by 25%, directly boosting bitumen yield.
- EEC Infrastructure Pipeline: THB 1.2 trillion (USD 34 billion) in planned infrastructure projects through 2030, requiring an estimated 6.8 million tonnes of bitumen.
- Green Bitumen Initiatives: Bangchak and PTT are piloting low-carbon bitumen production using bio-based additives, targeting a 15% carbon reduction by 2028.
Projected Production Growth:
| Year | Production (tonnes) | Domestic Demand (tonnes) | Export Surplus (tonnes) |
|---|---|---|---|
| 2024 | 6,700,000 | 4,600,000 | 2,100,000 |
| 2025 | 6,950,000 | 4,850,000 | 2,100,000 |
| 2026 | 7,300,000 | 5,100,000 | 2,200,000 |
| 2027 | 7,600,000 | 5,350,000 | 2,250,000 |
| 2028 | 7,900,000 | 5,600,000 | 2,300,000 |
| 2029 | 8,150,000 | 5,850,000 | 2,300,000 |
| 2030 | 8,400,000 | 6,100,000 | 2,300,000 |
Risk factors to monitor:
- Crude oil price volatility: A USD 10/barrel increase in Brent raises bitumen production costs by approximately USD 22-25 per tonne.
- Currency fluctuation: The THB/USD exchange rate impacts export competitiveness; a 5% THB appreciation reduces export margins by 3-4%.
- Environmental regulations: Stricter emissions standards could increase production costs by USD 8-12 per tonne by 2027.
- Regional competition: Singapore's expanded blending capacity (up 1.2 million tonnes by 2026) may pressure Thai export volumes.
FAQ: Thailand Bitumen Production
Q1: How much bitumen does Thailand produce annually?
Thailand produces approximately 6.7 million tonnes of bitumen annually from domestic refineries, with total supply (including imports) reaching 8.2 million tonnes. The country exports about 2.1 million tonnes per year, primarily to Vietnam, Cambodia, and Myanmar.
Q2: Which companies dominate Thailand's bitumen production?
Thai Oil PCL, PTT PCL, and Bangchak Corporation control over 85% of Thailand's bitumen production capacity. Thai Oil's Sriracha refinery alone produces 2.8 million tonnes per year, making it the largest single-site producer in the country.
Q3: What is the price of Thai bitumen per tonne?
Thai Pen 60/70 bitumen is priced at approximately USD 500 per tonne ex-refinery as of 2024, with export prices (FOB) ranging from USD 520-545 per tonne depending on destination and volume. Prices are projected to reach USD 510-525 per tonne in 2025.
Q4: What grades of bitumen does Thailand produce?
Thailand primarily produces Penetration Grade 60/70 (67% of output) , followed by Pen 40/50 (14%) , cutback bitumen (11%) , and emulsified asphalt (8%) . These grades meet ASTM D946 and AASHTO M20 specifications for road construction and industrial applications.
Q5