
Wood Pellets
Virgin untreated softwood or hardwood pellets, 6 or 8 mm, compliant with ISO 17225-2 Class A1 where ENplus® A1 certification is not provided.
- Net calorific value
- ≥ 4.6 kWh/kg
- Ash (dry basis)
- ≤ 0.7 %
- Mechanical durability
- ≥ 98.0 %
Raw material
Virgin untreated softwood / hardwood or untreated wood-processing residues
Visual / Supplier CoC
Diameter
6 ± 1 or 8 ± 1mm
ISO 17225-2
Length
3.15 – 40mm
ISO 17225-2
Moisture (as received)
≤ 10%
ISO 18134-1
Ash (dry basis)
≤ 0.7 (A1 limit)%
ISO 18122
Net calorific value
≥ 4.6kWh/kg
ISO 18125
Bulk density (as received)
600 – 750kg/m³
ISO 17828
Mechanical durability
≥ 98.0%
ISO 17831-1
Fines (< 3.15 mm)
≤ 1.0%
ISO 18846
Chlorine (dry basis)
≤ 0.02%
ISO 16994
Nitrogen (dry basis)
≤ 0.30%
ISO 16948
Sulphur (dry basis)
≤ 0.04%
ISO 16994
Packaging
15 kg bags or 1000 kg big bags
Visual / packaging std.
Certificates
ENplus® A1 (if contractually required), FSC/PEFC (if applicable), CoO, CoA
Valid certificates
| Parameter | Specification | Unit | Standard / test method |
|---|---|---|---|
| Raw material | Virgin untreated softwood / hardwood or untreated wood-processing residues | – | Visual / Supplier CoC |
| Diameter | 6 ± 1 or 8 ± 1 | mm | ISO 17225-2 |
| Length | 3.15 – 40 | mm | ISO 17225-2 |
| Moisture (as received) | ≤ 10 | % | ISO 18134-1 |
| Ash (dry basis) | ≤ 0.7 (A1 limit) | % | ISO 18122 |
| Net calorific value | ≥ 4.6 | kWh/kg | ISO 18125 |
| Bulk density (as received) | 600 – 750 | kg/m³ | ISO 17828 |
| Mechanical durability | ≥ 98.0 | % | ISO 17831-1 |
| Fines (< 3.15 mm) | ≤ 1.0 | % | ISO 18846 |
| Chlorine (dry basis) | ≤ 0.02 | % | ISO 16994 |
| Nitrogen (dry basis) | ≤ 0.30 | % | ISO 16948 |
| Sulphur (dry basis) | ≤ 0.04 | % | ISO 16994 |
| Packaging | 15 kg bags or 1000 kg big bags | – | Visual / packaging std. |
| Certificates | ENplus® A1 (if contractually required), FSC/PEFC (if applicable), CoO, CoA | – | Valid certificates |
Specifications are nominal and subject to the tolerances defined in the applicable standard and in the sales contract.










