Maoming Bitumen Quality
Last updated: 2026-10-05
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Maoming Bitumen Quality: Technical Specifications, Export Data, and Market Position
Maoming bitumen (produced by Sinopec Maoming Petrochemical) typically delivers penetration grades of 60/70 and 80/100 dmm, with softening points between 46–55°C and ductility above 100 cm at 25°C, making it a reliable mid-tier choice for road construction across Southeast Asia, Africa, and the Middle East. FOB Zhanjiang/Maoming prices for 60/70 grade generally range $430–$520 per metric ton depending on crude benchmarks and seasonality, with typical export order volumes of 1,000–5,000 MT per shipment and lead times of 10–18 days after contract confirmation. This article breaks down the technical quality, pricing structure, and export logistics of Maoming bitumen so buyers can benchmark it against competing suppliers.
What Is Maoming Bitumen?
Maoming bitumen is a petroleum-derived asphalt cement produced at the Sinopec Maoming refinery complex in Guangdong Province, China — one of the country's largest refining hubs with a crude processing capacity exceeding 13.5 million tons per year. The refinery sources feedstock primarily from Middle Eastern and domestic crude blends, then produces penetration-grade bitumen through vacuum distillation and air-blowing processes.
Key production facts:
- Refinery location: Maoming, Guangdong Province, South China
- Primary export port: Zhanjiang Port (~100 km from the refinery)
- Annual bitumen output capacity: approximately 1.2–1.5 million MT
- Primary grades produced: 60/70, 80/100, and 100/120 penetration
- Standards compliance: GB/T 15180 (Chinese national standard), often cross-tested against ASTM D946 and EN 12591
Maoming is not the largest single bitumen brand in China — that distinction often goes to refineries in Shandong (like Qilu) — but it holds a strong position in southern China and export markets thanks to proximity to deepwater ports and established logistics infrastructure.
Technical Quality Specifications: Maoming Bitumen Grades
The quality of Maoming bitumen is best understood through its grade-specific test data. Below is a comparison of the two most exported grades.
| Property | Maoming 60/70 | Maoming 80/100 | Test Method |
|---|---|---|---|
| Penetration @ 25°C (0.1mm) | 60–70 | 80–100 | ASTM D5 |
| Softening Point (°C) | 49–54 | 46–51 | ASTM D36 |
| Ductility @ 25°C (cm) | ≥100 | ≥100 | ASTM D113 |
| Flash Point (°C) | ≥250 | ≥230 | ASTM D92 |
| Solubility in TCE (%) | ≥99.0 | ≥99.0 | ASTM D2042 |
| Density @ 15°C (g/cm³) | 1.01–1.05 | 1.01–1.05 | ASTM D70 |
| Loss on Heating (%) | ≤0.8 | ≤1.0 | ASTM D6 |
| Penetration after TFOT (%) | ≥52 | ≥58 | ASTM D5/D1754 |
Quality observations:
- Consistency: Maoming 60/70 consistently lands in the middle of the 60–70 penetration band, which gives mix designers predictable behavior.
- Temperature susceptibility: The Penetration Index (PI) typically falls between -1.0 and -0.6, indicating moderate temperature susceptibility — acceptable for hot-mix asphalt in tropical and subtropical climates.
- Wax content: Chinese bitumen historically carries slightly higher wax content than Middle Eastern or Venezuelan grades; Maoming typically tests at 1.5–2.5%, which can affect low-temperature performance below -10°C.
- Aging resistance: TFOT and RTFOT results show retained penetration values meeting GB/T 15180 requirements, with mass loss under 0.8% for 60/70.
For projects governed by AASHTO M320 performance grading, Maoming 60/70 usually maps to a PG 64-22 equivalent under moderate traffic conditions — buyers should request a supplier's PG certificate before specifying for critical infrastructure.
Maoming Bitumen vs. Competing Sources: Price and Quality Comparison
Buyers evaluating Maoming bitumen usually compare it against Iranian, Korean, and Singaporean supply. Here is a practical comparison using 2024–2025 average export data.
| Source | FOB Price Range (USD/MT, 60/70) | Typical Lead Time | Wax Content | Primary Ports |
|---|---|---|---|---|
| China (Maoming) | $430–$520 | 10–18 days | 1.5–2.5% | Zhanjiang, Fangchenggang |
| Iran (Bandar Abbas) | $380–$460 | 20–35 days | 1.0–2.0% | Bandar Abbas |
| South Korea (SK/GS) | $480–$580 | 7–14 days | <1.5% | Ulsan, Yeosu |
| Singapore (Shell/Esso) | $520–$620 | 5–10 days | <1.0% | Jurong |
| Bahrain (BAPCO) | $490–$560 | 18–28 days | <1.5% | Sitrah |
Key takeaways:
- Price positioning: Maoming is typically $50–$100/MT cheaper than Korean or Singaporean bitumen, but $30–$60/MT more expensive than Iranian material.
- Quality trade-off: Korean and Singaporean grades offer lower wax content and better low-temperature performance — important for cold-climate projects. Maoming is competitive for tropical and subtropical road construction where low-temp cracking is not a primary concern.
- Logistics advantage: For buyers in Southeast Asia (Vietnam, Philippines, Indonesia, Thailand), Maoming's proximity cuts freight costs by $15–$40/MT compared to Middle Eastern or Korean supply.
- Payment flexibility: Chinese suppliers increasingly accept LC at sight, TT, and increasingly RMB settlement, reducing FX risk for Asian buyers.
Export Logistics and Packaging Options
Maoming bitumen ships in two primary forms, each with distinct cost and handling implications.
| Packaging | Drum Weight | Typical FCL/Half-FCL | Cost Premium vs Bulk | Best Suited For |
|---|---|---|---|---|
| New steel drums | 150 kg / 180 kg | 80–160 drums (~12–28 MT) | +$60–$90/MT | Small importers, projects without bulk terminals |
| Flexitank (20ft) | ~20 MT | 1 per container | +$40–$70/MT | Medium importers with heating capability |
| Bulk vessel | N/A | 1,000–30,000 MT | baseline | Large road programs, refineries |
| Bitutank / ISO tank | ~20–24 MT | 1 per tank | +$50–$80/MT | Reusable, steady-volume buyers |
Logistics notes:
- Zhanjiang Port is the primary export terminal, with direct liner services to Ho Chi Minh City (3–5 days), Manila (5–7 days), Jakarta (7–10 days), and Jebel Ali (18–22 days).
- Drum shipments from Maoming typically load 80 drums per 20ft container (150 kg drums) or 60 drums (180 kg drums), yielding 12–28 MT per container.
- Bulk shipments below 1,000 MT are rarely economical from Maoming due to vessel size minimums — buyers under 1,000 MT should expect flexitank or drum pricing.
- Documentation: Standard export set includes Bill of Lading, Certificate of Origin (Form E for ASEAN, Form B for others), CIQ inspection certificate, and supplier-issued COA.
How to Evaluate Maoming Bitumen Quality Before Buying
Quality claims only matter if verified. Use this checklist before finalizing any Maoming bitumen purchase:
- Request a third-party COA from SGS, Intertek, or BV — not just a supplier-issued certificate. Batch-level testing should confirm penetration, softening point, and ductility.
- Check the production date — bitumen stored over 90 days in drums can show surface oxidation; request material produced within 60 days of shipment.
- Verify grade consistency across multiple batches if ordering more than 1,000 MT. Penetration variance above ±5 dmm between batches signals quality control issues.
- Test wax content if your project operates below 0°C. Request ASTM D721 or DIN 52015 results.
- Confirm TFOT/RTFOT data — retained penetration should meet or exceed 52% for 60/70 per ASTM D5 post-aging.
- Inspect drums on arrival for rust, dents, and leakage — steel drum condition affects yield significantly in tropical climates.
For specification-critical projects, consider requesting a pre-shipment sample of 5–10 kg for independent lab verification before committing to a full order.
Frequently Asked Questions
Q1: Is Maoming bitumen good quality compared to Korean or Singaporean bitumen?
Maoming bitumen meets GB/T 15180 and typically maps to PG 64-22, making it suitable for tropical and subtropical road construction. However, it has slightly higher wax content (1.5–2.5%) than Korean or Singaporean grades (<1.5%), so it performs less favorably in cold climates below -10°C. For Southeast Asian and African projects, Maoming delivers equivalent field performance at $50–$100/MT lower cost.
Q2: What is the current FOB price of Maoming 60/70 bitumen?
As of 2024–2025, Maoming 60/70 bitumen FOB Zhanjiang typically trades between $430 and $520 per metric ton, depending on crude oil benchmarks, seasonal demand, and order volume. Drum packaging adds $60–$90/MT, while bulk shipments over 3,000 MT often negotiate at the lower end of the range. Prices should always be confirmed on a live basis due to crude volatility.
Q3: What is the minimum order quantity for Maoming bitumen export?
The practical minimum is one 20ft container — either 80 drums of 150 kg (12 MT) or a flexitank holding ~20 MT. Bulk vessel shipments typically require 1,000 MT minimum to be economical. For trial orders, most Maoming suppliers will accept 1–2 containers with a small-order surcharge of $20–$40/MT.
Q4: How long does shipping take from Maoming to Southeast Asia?
From Zhanjiang Port, transit times are approximately 3–5 days to Ho Chi Minh City, 5–7 days to Manila, and 7–10 days to Jakarta. Adding 7–14 days for production, inspection, and port handling, total lead time from contract to destination port typically runs 15–25 days. Buyers should build in 5–7 days of buffer for customs clearance at destination.
Q5: Which standards does Maoming bitumen comply with?
Maoming bitumen primarily complies with GB/T 15180-2010, China's national standard for petroleum asphalt. Suppliers can provide test data cross-referenced to ASTM D946 (penetration grading) and EN 12591 (European specification) on request. For projects requiring AASHTO M320 / PG grading, buyers should explicitly request PG certification, as not all Maoming batches are routinely tested against Superpave criteria.
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