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ISO 17225-4:2021

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Solid biofuels — Fuel specifications and classes — Part 4: Graded wood chips

This document determines the fuel quality classes and specifications of graded wood chips. This document covers only wood chips produced from the following raw materials (see ISO 17225-1:2021, Table 1):

1.1 Forest, plantation and other virgin wood;

1.2 By-products and residues from wood processing industry;

1.3.1 Chemically untreated used wood.

This document covers only wood chips, which are produced with sharp tools, and does not cover hog fuel, which is produced with blunt tools.

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Related Information

Similar Standards

  • AS/NZS ISO 17225.2:2023

    Solid biofuels – Fuel specifications and classes, Part 2: Graded wood pellets

  • BS EN 14078:2014

    Liquid petroleum products. Determination of fatty acid methyl ester (FAME) content in middle distillates. Infrared spectrometry method

  • BS EN 15234-1:2011

    Solid biofuels. Fuel quality assurance, General requirements

  • BS EN 15234-2:2012

    Solid biofuels. Fuel quality assurance, Wood pellets for non-industrial use

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