Heavy End
| Product Name | Heavy End / Heavy Distillation Cuts |
|---|---|
| Chemical Family | Hydrocarbons / Petroleum Refined Fractions |
| Origin / Source | Heavy Hydrocarbons — Atmospheric & Vacuum Distillation Column Bottoms |
| Boiling Point Range | 160 °C to 340 °C+ |
| Flash Point | 46 °C to 58 °C (PMCC) |
| Density | 780 to 840 kg/m³ @ 15 °C |
| Packaging Type | Bulk (Liquid / Semi-Liquid) |
| Transportation | Heated Road Tankers / Insulated Rail Tank Cars / Traced Pipelines / Marine Bulk Tankers |
| Physical Appearance | Dark viscous liquid to semi-solid (at ambient temperature) |
| Supplier | MizanPetroGas Company |
| Contact | 09155118932 (Direct WhatsApp Contact) |
- Description
Description
Heavy End — Heavy Refinery Distillation Cuts
Dense, viscous hydrocarbon mixture with high energy density — Strategic feedstock for bitumen/asphalt production, heavy fuel oils, industrial lubricants, and catalytic cracking units | Supplier: MizanPetroGas
Product Introduction
Heavy End (also referred to as Heavy Cuts or Atmospheric/Vacuum Bottoms Residue) is a dense, highly viscous hydrocarbon fraction. It represents the heavy residual stream from crude oil refining and petrochemical fractionation obtained after extracting lighter fractions such as gasoline, kerosene, naphtha, and gas oil. The chemical composition consists of high-molecular-weight compounds including asphaltenes, heavy paraffins, resins, and naphthenes.
Characterized by an elevated boiling range, dark visual appearance, and dense rheological texture, Heavy End is an essential upstream feedstock across downstream petrochemical and refining complexes. It is widely utilized as a primary industrial feedstock for road-grade bitumen/asphalt manufacturing, Heavy Fuel Oil (HFO / Mazut) blending, industrial base oil production, and high-performance carbon derivatives.
With increasing global industrial energy demand and modernization of refinery processing schemes, heavy fractions are no longer treated merely as low-value distillation bottoms; rather, they are traded as high-value strategic commodities for asphalt manufacturing, marine bunker fuel formulation, and Fluid Catalytic Cracking (FCC) / Hydrocracker units. MizanPetroGas Company supplies certified Heavy End streams under strict quality management and compliant international delivery terms.
Pricing and Purchasing Heavy End
Commercial pricing of Heavy End is indexed against global crude oil benchmarks (Brent, Dubai, Platts HFO), refinery yield economics, seasonal road-construction demands, and maritime fuel bunker indexes. MizanPetroGas provides official proforma invoices, custom batch analysis, and multimodal shipping logistics (road tanker, ISO tank, and marine bulk vessel). Contact our trading desk for real-time spot and contract pricing.
Molecular Structure and Chemical Composition
Heavy End consists of complex, long-chain hydrocarbons categorized into four fundamental SARA fractions:
Asphaltenes
High-molecular-weight, highly polar polycyclic aromatic structures providing dark color, viscosity, and exceptional cohesive binding strength essential for asphalt and bitumen performance.
Resins
Polar aromatic compounds that act as natural peptizing agents and dispersants, maintaining steric stabilization of asphaltenes in the hydrocarbon matrix to prevent phase separation.
Paraffins (Aliphatics)
Saturated straight and branched-chain hydrocarbons that impart high calorific value and energy density, providing high thermal energy output during combustion.
Naphthenes (Cycloparaffins)
Saturated cyclic hydrocarbons offering thermal and chemical stability, balancing viscosity parameters and enhancing feedstock processability in downstream cracking units.
Key Features
- Dense, high-molecular-weight hydrocarbon profile
- High volumetric energy density and calorific value
- Excellent thermal stability across elevated processing temperatures
- Wide boiling range distribution (160°C to 340°C+)
- High inherent kinematic viscosity
- Rich asphaltene content — optimal binder for bitumen/asphalt
- Excellent feed compatibility for Fluid Catalytic Cracking (FCC)
- Cost-effective industrial fuel oil blending component
- Base component for heavy industrial lubricants and protectants
- High weatherability and environmental resistance
- Superior adhesion and binding characteristics
- Consistent refinery supply with verified SGS/Bureau Veritas inspection
Key Advantages
High Energy Density
Long hydrocarbon chains deliver high specific heat and BTU values, making it an efficient thermal fuel for industrial furnaces, boilers, and utility power plants.
Superior Thermal Stability
The elevated boiling point spectrum ensures operational stability at high temperatures without premature decomposition during industrial processing.
Optimal Asphalt & Bitumen Binder
High asphaltene content provides structural durability, resistance to rutting, and waterproofing capabilities in road paving and roofing membranes.
Strategic Petrochemical Feedstock
Readily converts into high-value light distillates (gasoline, diesel, olefins, aromatics) when processed through FCC, hydrocracker, and coker units.
Broad Multi-Industry Utility
Serves essential roles across road construction, marine logistics bunkering, building waterproofing, and industrial lubricant formulation.
Economic Cost Efficiency
Offers an economical raw material stream for blenders and downstream refiners to maximize process margins and product formulations.
Applications and Target Industries
Bitumen, Asphalt & Construction Sector
Road Paving Bitumen
Primary feedstock for refining Penetration Grade (60/70, 80/100) and Viscosity Grade (VG-30, VG-40) bitumen used in highway and airport runway construction.
Waterproofing & Roofing Membranes
Manufacturing of waterproofing bituminous membranes, damp-proof coatings, and foundation sealants for commercial and civil engineering structures.
Polymer-Modified Bitumen (PMB)
Base asphalt blending component for elastomer/polymer-modified bitumen (SBS/APP) engineered for high-traffic and extreme climatic zones.
Corrosion Protection & Pipe Coatings
Protective heavy coatings for subterranean oil/gas transmission pipelines, storage tank bottoms, and marine structural steel.
Industrial Heavy Fuels & Energy
Heavy Fuel Oil (HFO / Mazut)
Thermal fuel blending component for large industrial boilers, steel reheating kilns, glass manufacturing furnaces, and thermal power stations.
Marine Bunker Fuel
Feedstock for blending ISO 8217 compliant marine residual fuels (RMG/RMK grades) powering ocean-going cargo vessels and commercial fleets.
Industrial Burner Fuel
High-calorific heating fuel for asphalt mixing plants, cement manufacturing kilns, and centralized industrial heating plants.
Refinery Cracking & Chemical Manufacturing
FCC & Hydrocracker Feedstock
Secondary processing feed for Fluid Catalytic Cracking (FCC) units to produce high-octane gasoline, light cycle oil (LCO), and petrochemical olefins.
Carbon Black Feedstock (CBFS)
High-aromatic cut utilized in furnace black reactors for manufacturing industrial carbon black used in automotive tire reinforcement and rubber compounds.
Heavy Lubricants & Greases
Processing stream for extracting heavy base stocks, gear lubricants, chain greases, and protective industrial rust-preventive compounds.
Typical Technical Specifications – Heavy End
| No. | Property | Typical Value | Unit | Test Method |
|---|---|---|---|---|
| 1 | Specific Gravity @ 15.6°C | 0.890 – 0.980 | — | ASTM D1298 / D4052 |
| 2 | Kinematic Viscosity @ 50°C | 15.0 – 180.0 | cSt (mm²/s) | ASTM D445 |
| 3 | Initial Boiling Point (IBP) | 160 – 210 | °C | ASTM D86 / D1160 |
| 4 | Final Boiling Point (FBP) | 340 – 450+ | °C | ASTM D86 / D1160 |
| 5 | Flash Point (PMCC) | > 65 | °C | ASTM D93 |
| 6 | Pour Point | +9 to +30 | °C | ASTM D97 |
| 7 | Total Sulfur Content | 0.5 – 2.5 | wt % | ASTM D4294 |
| 8 | Asphaltene Content | 3.0 – 12.0 | wt % | ASTM D6560 (IP 143) |
| 9 | Conradson Carbon Residue (CCR) | 4.0 – 12.0 | wt % | ASTM D189 |
| 10 | Water & Sediment (BS&W) | < 0.5 | vol % | ASTM D2709 / D95 |
| 11 | Gross Calorific Value (GCV) | 9,800 – 10,200 | kcal/kg | ASTM D240 |
| 12 | Ash Content | < 0.05 | wt % | ASTM D482 |
| 13 | Physical Appearance | Dark brown to black, viscous liquid | — | Visual |
| 14 | HS Code | 2710.19.90 / 2713.90.00 | — | Harmonized System (WCO) |
| 15 | Packaging & Transportation | Heated Road Tankers | ISO Tanks | Marine Bulk Tankers | — | — |
| 16 | Supplier | MizanPetroGas Company | — | — |
⚠️ Notice: Figures listed above represent typical property values of standard refinery Heavy End cuts. Consignment-specific parameter certificates are provided via official Certificates of Analysis (COA) by independent inspection agencies (SGS / Bureau Veritas).
Handling, Heating and Safety Guidelines
- Viscosity & Pumping Temperature: Heavy End requires pre-heating to 50–80°C for effective pumping and transfer through pipeline circuits and loading arms. Avoid heating above the flash point in open storage.
- Storage Requirements: Store in dedicated insulated steel tanks fitted with steam coils or thermal oil heating systems and overfill protection. Tanks should be equipped with appropriate vapor vents and flame arrestors.
- Health & PPE Precautions: Prolonged skin or eye contact must be avoided. Personnel should use thermal and chemical-resistant gloves (Viton/Nitrile), safety goggles, protective coveralls, and respiratory masks with organic vapor cartridges during sampling and tank cleaning.
- Environmental Containment: Ensure storage areas are equipped with secondary containment dykes. Prevent any discharge into drainage systems, waterways, or open ground.
- First Aid Measures: Skin Contact: Wash thoroughly with soap and water; remove contaminated garments immediately. Eye Contact: Flush immediately with water for at least 15 minutes and seek medical evaluation. Inhalation: Move individual to fresh air.
Procure Heavy End — Request Export Quotation
Heavy Refinery Distillation Cut | Bitumen & HFO Feedstock | Bulk Tanker & Vessel Delivery
sell@mizanpetrogas.com
09155118932 — Direct WhatsApp Contact
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