# Virgin Fuel Oil D6

Web page: https://northpacificenergy.com/products/virgin-fuel-oil-d6/ (Spanish: https://northpacificenergy.com/es/productos/fueloil-virgen-d6/; French: https://northpacificenergy.com/fr/produits/fioul-lourd-vierge-d6/)

D6 is a trade name for residual fuel oil: the heavy fraction left after lighter products are distilled from crude. It fuels power stations, industrial boilers and ships.

## What the name means

The grade corresponds to No. 6 fuel oil in ASTM D396. Virgin means the oil comes straight from refining and contains no used or reprocessed oil.

Fuel oil sold for ships follows ISO 8217. Since 1 January 2020 the International Maritime Organization has limited sulfur in marine fuel to 0.50% worldwide and 0.10% in emission control areas, so sulfur content decides where a parcel can be used.

At a glance

- **Product type:** Residual fuel oil
- **Governing standards:** ASTM D396 (No. 6 fuel oil); ISO 8217 for marine use
- **Sold by:** The metric ton
- **Typical buyers:** Power producers, industrial plants and marine fuel suppliers
- **Carried in:** Tankers with heated cargo tanks

## What buyers specify

| Property | Reference | Why it matters |
| --- | --- | --- |
| Sulfur | Stated in the contract; 0.50% maximum for ships without scrubbers | Fixed by maritime and local air-quality rules. |
| Viscosity at 50 °C | Commonly 180 or 380 mm²/s maximum | Decides the heating needed before the fuel can be pumped and burned. |
| Density at 15 °C | 991 kg/m³ maximum (ISO 8217 RMG 380) | Converts volume to weight and indicates energy content. |
| Flash point | 60 °C minimum | A safety limit for storage and handling. |
| Pour point | 30 °C maximum (ISO 8217 RMG) | Below this temperature the oil stops flowing. |
| Water | 0.5% by volume maximum (ISO 8217) | Water adds no energy and promotes sludge. |

Limits are those published in the named standards, given for reference. The specification written into the sales contract governs.

## Related grades

- **No. 6 fuel oil**: The boiler and power-station grade defined in ASTM D396.
- **High-sulfur fuel oil**: Sulfur up to 3.50%, for land-based users where permitted and for ships with exhaust scrubbers.
- **Very-low-sulfur fuel oil**: Sulfur of 0.50% or less. The standard marine fuel since 2020.

## Storage and shipping

- **Heating.** Fuel oil is kept warm in storage and at sea so that it stays pumpable.
- **Blending.** Most grades are blends. Stability and compatibility are tested so that components do not separate.
- **Inspection.** An independent inspector normally samples and certifies the parcel at the loading port.
- **Quantity.** Measured by tank gauging, with temperature and density corrections.

Storage and transport are provided by third-party terminal operators and carriers. We coordinate them. [How storage and shipping are arranged](https://northpacificenergy.com/tank-storage-shipping-solutions/)

## What to send with your enquiry

- Sulfur limit and viscosity required
- End use: power generation, industrial or marine
- Quantity in tonnes
- Destination port or terminal and preferred Incoterm
- Delivery window

Send these details and we will tell you whether we can source the product and on what terms. Price, quantity and specification are fixed in the sales contract.

[Send an enquiry](https://northpacificenergy.com/contact-us/) [Compare Incoterms](https://northpacificenergy.com/oil-gas-trading/#incoterms)

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