prEN ISO 17225-5 rev

Solid biofuels — Fuel specifications and classes — Part 5: Graded firewood prEN ISO 17225-5 rev

Scope

<p>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):</p>
<p>—    1.1.1 Whole trees without roots;</p>
<p>—    1.1.3 Stem wood;</p>
<p>—    1.1.4 Logging residues (thick branches, tops etc.);</p>
<p>—    1.2.1 Chemically untreated by-products and residues from wood processing industry.</p>