ISO 17225-5:2026
ISO 17225-5:2026 Solid biofuels - Fuel specifications and classes - Part 5: Graded firewood
standard byInternational Organization for Standardization , 04/01/2026
standard byInternational Organization for Standardization , 04/01/2026
This document specifies the fuel quality classes and specifications of graded firewood. This document applies only to firewood produced from the following raw materials (see ISO17225-1:2021, Table1):
u000bu000b1.1.1 Whole trees without roots;u000b1.1.3 Stemwood;u000b1.1.4 Logging residues (thick branches, tops, etc.);u000b1.2.1 Chemically untreated by-products u000b