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ISO 17225-5

Solid biofuels — Fuel specifications and classes — Part 5: Graded firewood

General information

60.00     Mar 4, 2026

ISO

ISO/TC 238

International Standard

27.190     75.160.40  

Scope

This document determines the fuel quality classes and specifications of graded firewood. This document covers only firewood produced from the following raw materials (see ISO 17725‑1:2021, Table 1):
—    1.1.1 Whole trees without roots;
—    1.1.3 Stem wood;
—    1.1.4 Logging residues (thick branches, tops etc.);
—    1.2.1 Chemically untreated by-products and residues from wood processing industry.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 17225-5:2021

NOW

PROJECT
ISO 17225-5
60.00 Standard under publication
Mar 4, 2026

National adoptions

dnaSRPS EN ISO 17225-5:2024  
ISS

Solid biofuels - Fuel specifications and classes - Part 5: Graded firewood (ISO/FDIS 17225-5:2026)

50.60   Close of voting. Proof returned by secretariat

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