Alcance
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 ISO 17225-1:2021, Table 1):1.1.1 Whole trees without roots;1.1.3 Stemwood;1.1.4 Logging residues (thick branches, tops, etc.);1.2.1 Chemically untreated by-products