Skip to main content

ISO 17225-4:2021

Current Date published:

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.

Preview only close
Prev {{ page }}/ {{ numPages }} Next
Preview only close
Prev {{ page }}/ {{ numPages }} Next
Pages: 0

Previous versions

Keep me up-to-date

Sign up to receive updates when there are changes to this standard

Related Information

Similar Standards

  • AS/NZS ISO 17225.2:2023

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

  • BS EN 12662-1:2024

    Liquid petroleum products. Determination of total contamination, Middle distillates and diesel fuels

  • BS EN 12662-2:2024

    Liquid petroleum products. Determination of total contamination, Fatty acid methyl esters

  • BS EN 14078:2014

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

Preview only close
Prev {{ page }}/ {{ numPages }} Next
Preview only close
Prev {{ page }}/ {{ numPages }} Next
Pages: 0

Previous versions

Request to add this standard to your subscription

ISO 17225-4:2021

Price varies
Online library subscription

Your organisation’s Account Administrator must approve a request to add a standard to your subscription.

You may add a comment to the administrator below.

Cancel