ISO 17225-5:2021
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The latest, up-to-date edition.
Solid biofuels Fuel specifications and classes Part 5: Graded firewood
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French, English
05-07-2021
This document determines the fuel quality classes and specifications of graded firewood. This document covers only firewood produced from the following raw materials (see ISO177251:2021, 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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