EN ISO 17225-5:2021
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Solid biofuels - Fuel specifications and classes - Part 5: Graded firewood (ISO 17225-5:2021)
21-07-2021
This document determines the fuel quality classes and specifications of graded firewood. This document covers only firewood produced from the following raw materials (see ISO17725‑1:2021, Table1):— 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.
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