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ISO 17225-5:2026

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

General information

Valid from 09.04.2026
Directives or regulations
None

Standard history

Status
Date
Type
Name
09.04.2026
Main
05.07.2021
Main
This document specifies the fuel quality classes and specifications of graded firewood. This document applies only to firewood produced from the following raw materials (see ISO 17225-1:2021, Table 1):

1.1.1 Whole trees without roots;
1.1.3 Stemwood;
1.1.4 Logging residues (thick branches, tops, etc.);
1.2.1 Chemically untreated by-products

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